António Rangel

Professor(a) Catedrático(a)

Doutorado em Biotecnologia (especialidade em Química) pela Universidade Católica Portuguesa. Licenciado em Química pela Universidade do Porto. António Rangel é Professor Catedrático na Escola Superior de Biotecnologia, onde leciona diversas disciplinas de Química Básica e Analítica.

Os seus interesses de investigação centram-se na automatização e miniaturização de análises químicas e bioquímicas, com ênfase no desenvolvimento de sistemas de fluxo e de dispositivos microfluídicos para análises nas áreas ambiental, alimentar, e biomédica. É co-autor de mais de 170 publicações indexadas internacionalmente e esteve envolvido na orientação de 20 teses de doutoramento; é membro do Editorial Advisory Board da revista científica “Talanta”. Tem exercido vários cargos de gestão na instituição, e.g. membro da Direção da ESB (vários mandatos), direção do Centro de Biotecnologia e Química Fina (vários mandatos); e diretor adjunto para a Investigação do Centro Regional do Porto da UCP. Presentemente é Presidente do Conselho Científico da ESB e membro da Direção do CBQF.

Artigo

Exploiting flow analysis as a tool for monitoring the leaching process of micronutrients using laboratory scale soil columns (LSSCs)

António Rangel (with Carolina F. F. A. Costa). 2020. Analytical Methods
Artigo

Flow-based method for the determination of biomarkers urea and ammoniacal nitrogen in saliva

António Rangel (with Thepchuay, Y.). 2020. Bioanalysis
Artigo

Greener and wide applicability range flow-based spectrophotometric method for iron determination in fresh and marine water

António Rangel (with Ribas, T.C.F.). 2020. Talanta
Artigo

Integrated Flow-based System Displaying an In-line Mini Soil Column to Monitor Iron Species in Soils Leachates

António Rangel (with Mesquita, L.S.). 2020. Communications in Soil Science and Plant Analysis
Artigo

Micro-PAD card for measuring total ammonia nitrogen in saliva

António Rangel (with Thepchuay, Y.). 2020. Analytical and Bioanalytical Chemistry
Artigo

A sequential injection fluorimetric methodology with in-line solid phase extraction for biogenic amines screening in water

António Rangel (with Ribas, T.C.F.). 2019. International Journal of Environmental Analytical Chemistry
Artigo

Automated analytical microsystem for the spectrophotometric monitoring of titratable acidity in white, rosé and red wines

António Rangel (with Natàlia Sández). 2019. Analytica Chimica Acta
Outras

Determination of iron(III) in water samples by microsequential injection solid phase spectrometry using an hexadentate 3-hydroxy-4-pyridinone chelator as reagent

António Rangel (with Miranda, Joana L. A.). 2019.
Outras

Effects of soil sterilization and metal spiking in plant growth promoting rhizobacteria selection for phytotechnology purposes

António Rangel, Paula Castro & Sofia Pereira (with Moreira, Helena). 2019. Geoderma
Artigo

New hydrophilic 3-hydroxy-4-pyridinone chelators with ether-derived substituents: Synthesis and evaluation of analytical performance in the determination of iron in waters

António Rangel (with Moniz, T.). 2019. Polyhedron
Artigo

Understanding the role of the antioxidant system and the tetrapyrrole cycle in iron deficiency chlorosis

António Rangel & Marta Vasconcelos (with Santos, C.S.). 2019. Plants
Outras

A miniaturized chip in a multi-syringe flow system for spectrofluorimetric determination of iodide in urine samples

António Rangel (with Miranda, Joana L. A.). 2018.
Outras

Analytical microsystem for the spectrophotometric determination of titratable acidity in wines

António Rangel (with Sandez, Natalia). 2018.
Outras

Bromate determination in natural waters and soil leachates using sequential injection analysis

António Rangel (with Cerqueira, Ana S. G.). 2018.
Outras

Design and assembly of microfluidic paper-based analytical devices (µPAD) for the quantification of nitrite and nitrate in saliva

António Rangel (with Ferreira, Francisca T. S. M.). 2018.
Outras

Design and development of a microfuidic paper-based analytical device for calcium determination in saliva

António Rangel (with Acciainoli, Karina C.). 2018.
Outras

Design and development of a mPAD device for magnesium determination in saliva

António Rangel (with Aguiar, Juliana I. S.). 2018.
Outras

Design of microfluidic paper-based devices as disposable, easy-to-use solutions for onhand, real time analysis

António Rangel (with Mesquita, Raquel B. R.). 2018.
Outras

Determination of titratable acidity in wines in an automatic spectrophotometric analytical microsystem

António Rangel (with Sandez, Natália). 2018.
Outras

Determination of total phenolic content in wines using Folin-Ciocalteu assay in flow injection analysis system

António Rangel (with Wongpakdee, Thinnapong). 2018.
Outras

Development of a flow analysis system for determination of phosphate in ground water

António Rangel (with Mesquita, Leticia S). 2018.
Outras

Development of a flow-based system for the determination of protein content in microbiological samples

António Rangel (with Oliveira, Ricardo). 2018.
Outras

Development of a sequential injection method for bromate determination in soil leachates

António Rangel (with Cerqueira, Ana S. G.). 2018.
Outras

Exploring flow analysis tools for monitoring calcium and magnesium in soil leachates from laboratory scale soil columns (LSSCs)

António Rangel (with Costa, Carolina F. F.). 2018.
Outras

Exploring specially designed solid interfaces for improved detection platforms in flow and micro-flow analysis

António Rangel (with Rangel, António O. S. S.). 2018.
Outras

Flow based systems coupled to separation techniques applied to wine samples

António Rangel (with Vidigal, Susana S. M. P.). 2018.
Outras

In-line phosphate pre-concentration in a flow injection method platform for monitoring fertilizers excess in soil leachates

António Rangel (with Mesquita, Letícia S). 2018.
Outras

Interferences minimization using solid phase extraction in a multiparametric sequential injection system

António Rangel (with Ribas1, Tânia C. F.). 2018.
Outras

Membrane-based Separation in Flow Analysis for Environmental and Food Applications

António Rangel (with Santos, Inês C.). 2018.
Outras

Merging zones approach in a flow-based platform for the determination of the total protein content in microbiological samples

António Rangel (with Oliveira, Ricardo). 2018.
Outras

Microfluidic paper-based analytical device (µPAD) for salivar ammonia/ammonium

António Rangel (with Thepchuay, Yanisa). 2018.
Outras

Microfluidic paper-based analytical device for the determination of salivary calcium

António Rangel (with Silva, Mafalda T. S.). 2018.
Outras

Microfluidic Paper-based Analytical Devices (µPADs) for the Determination of Total Ammonia Nitrogen in Saliva

António Rangel (with Thepchuai, Yanisa). 2018.
Outras

Microfluidic paper-based analytical devices for the determination of salivary NOx

António Rangel (with Ferreira, Francisca T. S. M.). 2018.
Outras

Microfluidic paper-based devices as disposable, easy-to-use, real time quantification methods

António Rangel (with Mesquita, Raquel B. R.). 2018.
Outras

Monitoring soil/water interface: development of an integrated sequential injection system applied to laboratory scale soli core column and micro soil column

António Rangel (with Mesquita, Letícia S.). 2018.
Outras

Monitoring the impact of fertilizers on soil leachates using sequential injection analysis for multiparametric determination

António Rangel (with Costa, Carolina F. F. A.). 2018.
Outras

New hydrophilic 3-hydroxy-4-pyridinone chelators with ether-derived substituents: synthesis and evaluation of analytical performance in the determination of iron in waters

António Rangel (with Moniz, Tânia). 2018.
Outras

Polymer inclusion membranes (PIMs) as an alternative for on-line solid phase extraction (SPE) in flow analysis

António Rangel (with Ribas, Tânia C. F.). 2018.
Outras

Protein-phenolic interaction as a strategy to reduce the precursors of volatile phenolics in wine

António Rangel & José António Couto (with Vidigal, Susana S. M. P.). 2018. Analítica 2018 - 9th Meeting of Division of Analytical Chemistry
Outras

Sequential flow injection analysis with potentiometric detection for the determination of ammonium and urea in human saliva

António Rangel (with Thepchuay, Yanisa). 2018.
Artigo

Sequential injection system with in-line solid phase extraction and soil mini-column for determination of zinc and copper in soil leachates

António Rangel (with Paluch, J.). 2018. Talanta
Outras

Sequential injection system with in-line solid phase extraction and soil minicolumn for determination of zinc and copper in soil leachates

António Rangel (with Paluch, Justyna). 2018.
Outras

Specially designed hydrophilic 3,4-HPO chelators to be used as chromogenic reagents for iron in a microfluidic paper-based analytical device

António Rangel (with Moniz, Tânia.). 2018.
Outras

Spectrofluorimetric determination of iodide in urine samples without pretreatment using a miniaturized analyzer chip in a multi-syringe flow system

António Rangel (with Miranda, Joana L. A.). 2018.
Outras

Study of 3,4-hydroxypyridinones functionalized beads for iron (III) determination in a microsequential injection solid phase spectrophotometry mode

António Rangel (with Miranda, Joana L. A.). 2018.
Outras

Use of solid-phase extraction in a sequential injection mode for the determination of micronutrients

António Rangel (with Ribas, Tânia C F.). 2018.
Outras

A flow-based platform for measuring the acidity parameters in wine

António Rangel (with Vidigal, Susana S. M. P.). 2017. Talanta
Artigo

A solid phase extraction flow injection spectrophotometric method for the zinc determination in plants

António Rangel (with Ribas, T.C.F.). 2017. Microchemical Journal
Outras

Applications of solid phase extraction and functionalized sorbent materials in flow analysis

António Rangel (with Rangel, António O.S.S.). 2017.
Artigo

Assessment of culturable bacterial endophytic communities colonizing Canna flaccida inhabiting a wastewater treatment constructed wetland

António Rangel, Paula Castro & Sofia Pereira (with Calheiros, C.S.C.). 2017. Ecological Engineering
Outras

Assessment of the impact synthetic Fe(III)-chelates amendment in soil microbial community dynamics

António Rangel (with Machado, Ana). 2017.
Outras

Determination of the thermodynamic binding constants of hydroxycinnamic acids with BSA using a flow-based approach with fluorimetric detection

António Rangel (with Vidigal, Susana S. M. P.). 2017.
Outras

Evaluation of the impact of fertilizers on soil and soil leachates – chemical composition and microbial community assemblage

António Rangel (with Costa, Carolina). 2017.
Outras

Impact of iron amendment on soil bacterial abundance and diversity

António Rangel (with Machado, A.). 2017.
Outras

Measurement of iron (III) in waters by microsequential solid phase spectrometry using an hexadentate 3-hydroxy-4-pyridinone chelatr as a coulor reagent

António Rangel (with Miranda, Joana L. A.). 2017.
Artigo

Microsequential injection lab-on-valve system for the spectrophotometric bi-parametric determination of iron and copper in natural waters

António Rangel (with González, A.). 2017. Talanta
Outras

Polymer inclusion membranes (PIMs) as an alternative solid phase extraction (SPE) material: Comparison studies between batch and flow procedure

António Rangel (with Ribas, Tânia C. F.). 2017.
Outras

Sequential injection system with in-line solid phase mini-column extraction for zinc and copper determiantion

António Rangel (with Paluch, Justyna). 2017.
Outras

Soil/Water interface assessment using sequential injection for multiparametric analysis

António Rangel (with Mesquita, Raquel B. R.). 2017.
Outras

Study of the interaction of hydroxycinnamic acids with different proteins

António Rangel & José António Couto (with Couto, J. A.). 2017. Microbiotec’17 Congress, Porto, Portugal, 7-9 December 17
Outras

A flow-based platform for measuring the acidity parameters in wine

António Rangel (with Vidigal, Susana S. M. P.). 2016.
Outras

A solid phase extraction flow injection methodology with spectrophotometric detection for the zinc determination in plant digests

António Rangel (with Ribas, Tânia C. F.). 2016.
Artigo

A total analytical system featuring a novel solid–liquid extraction chamber for solid sample flow analysis

António Rangel (with Galvis-Sánchez, A.C.). 2016. Analytical and Bioanalytical Chemistry
Outras

A view on the strengths and limitations of flow-based approaches for food and environmental monitoring

António Rangel (with Rangel, António O. S. S.). 2016.
Outras

Construction of an Iron (III) selective electrode with a rhodamine-based newly synthesized chelator

António Rangel (with Mesquita, Letícia). 2016.
Outras

Corrigendum to "Use of solid phase extraction for the sequential injection determination of alkaline phosphatase activity in dynamic water systems"

António Rangel (with Santos, Inês C.). 2016.
Outras

Developing integrated flow analysis tools to monitor the soil-water interface: Application to laboratory scale soil columns (LSSC)

António Rangel (with Mesquita, Raquel B. R.). 2016.
Artigo

Development of a low pressure chromatographic flow system for monitoring the biodegradation of ofloxacin and ciprofloxacin

António Rangel & Paula Castro (with Santos, I.C.). 2016. Analytical Methods
Outras

Effect of tris(3-hydroxy-4-pyridinonate) iron(III) complexes on iron uptake and storage in soybean (Glycine max L.)

António Rangel & Marta Vasconcelos (with Santos, Carla S.). 2016. Plant Physiology and Biochemistry
Artigo

Erratum: Use of solid phase extraction for the sequential injection determination of alkaline phosphatase activity in dynamic water systems (Talanta (2012) 98 (203-210))

António Rangel (with Santos, I.C.). 2016. Talanta
Artigo

Exploiting near infrared spectroscopy as an analytical tool for on-line monitoring of acidity during coffee roasting

António Rangel (with Santos, J.R.). 2016. Food Control
Outras

Exploring newly synthetsized iron chelators for development of in situ devices

António Rangel (with Mesquita, Raquel B. R.). 2016.
Outras

Flow-based Strategies for the determination of total acidity in wine

António Rangel (with Vidigal, Susana S. M. P.). 2016.
Outras

Flow-Based System for the Determination of Titratable Acidity in Wines

António Rangel (with Vidigal, Susana S. M. P.). 2016. Food Analytical Methods
Artigo

In-line monitoring of the coffee roasting process with near infrared spectroscopy: Measurement of sucrose and colour

António Rangel (with Santos, J.R.). 2016. Food Chemistry
Outras

Iron speciation in natural waters by sequential injection analysis with a hexadentate 3-hydroxy-4-pyridinone chelator as chromogenic agent

António Rangel (with Miranda, Joana). 2016. Talanta
Outras

Micro-SI system for the spectrophotometric bi-parametric determination of iron and copper in soil leachates

António Rangel (with González, Alba). 2016.
Outras

Mine land valorization through energy maize production enhanced by the application of plant growth-promoting rhizobacteria and arbuscular mycorrhizal fungi

António Rangel, Paula Castro & Sofia Pereira (with Moreira, Helena). 2016. Environmental Science and Pollution Research
Outras

Primary amines in natural waters: Sequential injection methodology for its fluorescent detection

António Rangel (with Ribas, Tânia C. F.). 2016.
Artigo

Seasonal monitoring of inland bathing waters using a sequential injection method as a fast and effective tool for nutrient quantification (N : P)

António Rangel (with Mesquita, R.B.R.). 2016. Analytical Methods
Artigo

Selection of metal resistant plant growth promoting rhizobacteria for the growth and metal accumulation of energy maize in a mine soil - Effect of the inoculum size

António Rangel, Paula Castro & Sofia Pereira (with Moreira, H.). 2016. Geoderma
Outras

Selection of metal resistant plant growth promoting rhizobacteria for the growth and metal accumulation of energy maize in a mine soil — Effect of the inoculum size

António Rangel (with Moreira, Helena). 2016.
Artigo

Selection of metal resistant plant growth promoting rhizobacteria for the growth and metal accumulation of energy maize in a mine soil — Effect of the inoculum size

António Rangel & Sofia Pereira (with Helena Moreira). 2016. Geoderma
Outras

Use of on-line solid phase extraction and a multi-reflection flow cell coupled with a LED for the spectrophotometric determination of zinc: application to plant digests

António Rangel (with Ribas, Tânia C. F.). 2016.
Outras

Use of the iodine-starch chemistry for the flow injection determination of free sulphur dioxide in wine

António Rangel (with Lemos, Beatriz A.). 2016.
Outras

A reagentless flow injection system for the quantification of ethanol in beverages based on the schlieren effect measurement

António Rangel (with Vidigal, Susana S.M.P.). 2015. Microchemical Journal
Outras

An experimental approach to perform solid liquid extraction in flow systems

António Rangel (with Santos, Inês C.). 2015.
Outras

Constructed wetland with a polyculture of ornamental plants for wastewater treatment at a rural tourism facility

António Rangel & Paula Castro (with Calheiros, Cristina S.C.). 2015. Ecological Engineering
Livro

Determination of Caffeine in Coffee Using Low-Pressure Chromatography

António Rangel (with Santos, J.R.). 2015. Coffee in Health and Disease Prevention
Artigo

Determination of noncovalent binding using a continuous stirred tank reactor as a flow injection device coupled to electrospray ionization mass spectrometry

António Rangel (with Santos, I.C.). 2015. Journal of the American Society for Mass Spectrometry
Outras

Development of a chromatographic low pressure flow injection system using amperometric detection: Application to the analysis of niacin in coffee

António Rangel (with Santos, João Rodrigo). 2015. Food Chemistry
Outras

Exploring 3-hydroxy-4-pyridinone chelators synthetic versatility to attain tailor made low toxicity chromogenic reagents for iron speciation in water samples

António Rangel (with Rangel, António O. S. S.). 2015.
Outras

Flow injection coupled to electrospray ionization mass spectrometry for non-convalent binging determinations

António Rangel (with Santos, Inês C.). 2015.
Outras

Flow-based system for the determination of titratable and volatile acidity in wines

António Rangel (with Rangel, António O. S. S.). 2015.
Outras

Iodine speciation in coastal and inland bathing waters and seaweeds extracts using a sequential injection standard addition flow-batch method

António Rangel (with Santos, Inês C.). 2015. Talanta
Outras

Iron speciation by microsequential injection solid phase spectrometry using 3-hydroxy-1(H)-2-methyl-4-pyridinone as chromogenic reagent

António Rangel (with Suárez, Ruth). 2015. Talanta
Outras

MALDI-MS foe microorganism identification in contaminated groundwater

António Rangel (with Santos, Inês C.). 2015.
Outras

Micro solid phase spectrophotometry in a sequential injection lab-on-valve platform for cadmium, zinc, and copper determination in freshwaters

António Rangel (with Santos, Inês). 2015. Analytica Chimica Acta
Artigo

Paired-ion electrospray ionization - triple quadrupole tandem mass spectrometry for quantification of anionic surfactants in waters

António Rangel (with Santos, I.C.). 2015. Talanta
Outras

Paired-ion electrospray ionization – triple quadrupole tandem mass spectrometry for quantification of anionic surfactants in waters

António Rangel (with Santos, Inês). 2015.
Outras

Removal of fluoxetine and its effects in the performance of an aerobic granular sludge sequential batch reactor

António Rangel & Paula Castro (with Moreira, Irina S.). 2015. Journal of Hazardous Materials
Outras

Screening of cadmium and lead in potentially contaminated waters using a spectrophotometric sequential injection lab-on-valve methodology

António Rangel (with Santos, Inês C.). 2015. Talanta
Outras

Sequential injection application of an expressly designed 3-hydroxy-4-pyridinone funcionalized with a polyethylene glycol chain for the spectrophotometric determination of iron

António Rangel (with Rangel, António O. S. S.). 2015.
Outras

Solid Phase Extraction in Flow Analysis Platforms

António Rangel (with Rangel, António O. S. S.). 2015.
Outras

Standard addition flow method for potentiometric measurements at low concentration levels: Application to the determination of fluoride in food samples

António Rangel (with Galvis-Sánchez, Andrea C.). 2015. Talanta
Outras

Synthesis and characterization of a 3-hydroxy-4-pyridinone chelator functionalized with a polyethylene glycol (PEG) chain aimed at sequential injection determination of iron in natural waters

António Rangel (with Mesquita, Raquel). 2015. Polyhedron
Outras

The State of the Art of Flow-Through Solid-Phase Spectrometry

António Rangel (with Santos, Inês C.). 2015.
Livro

Use of Near-Infrared Spectroscopy for Coffee Beans Quality Assessment

António Rangel (with Páscoa, R.N.M.J.). 2015. Coffee in Health and Disease Prevention
Outras

Use of UV radiation for the sequential injection spectrophotometric determination of NOx in natural waters

António Rangel (with Rangel, António O. S. S.). 2015.
Outras

A flow injection system coupled to a micro-guard cartridge for monitoring a vinification process

António Rangel (with Vidigal, Susana). 2014.
Outras

A flow system for the quantification of ethanol in beverages based on shlieren effect measurement

António Rangel (with Vidigal, Susana). 2014.
Artigo

A flow-injection system coupled to a micro-guard cartridge for monitoring a vinification process

António Rangel (with Vidigal, S.S.M.P.). 2014. Analytical Sciences
Outras

Constructed wetland implemented in a tourism unit for wastewater treatment

António Rangel (with Calheiros, Cristina C. S.). 2014.
Outras

Constructed wetlands for tannery wastewater treatment in Portugal: ten years of experience

António Rangel & Paula Castro (with Calheiros, Cristina S. C.). 2014. International Journal of Phytoremediation
Outras

Contributions to separation processes for sample treatment in flow analysis

António Rangel (with Rangel, António O. S. S.). 2014.
Outras

Determinação de trigonelina em café por cromatografia líquida de baixa pressão e detecção electroquímica

António Rangel (with Santos, J. R.). 2014.
Outras

Development of a sequential injection methodology for iron speciation in waters using an hexadentate 3,4 – hydroxypiridinone chelator

António Rangel (with Miranda, Joana L. A.). 2014.
Outras

Development of a solid-liquid extraction chamber for flow systems

António Rangel (with Galvis-Sanchez, Andrea C.). 2014.
Outras

Exploiting Near Infrared Spectroscopy as an Analytical Tool for Coffee Roasting On-Line Monitoring

António Rangel (with Santos, J. R.). 2014.
Outras

Exploiting near infrared spectroscopy as ana analystical tool for coffee roasting on-line monitoring. Application in the acidity determination

António Rangel (with Lopo, Miguel). 2014.
Outras

Exploring 3-hydroxy-4-piridinone chelators as low toxicity chromogenic reagents for iron determination in natural waters

António Rangel (with Mesquita, Raquel). 2014.
Outras

Flow analysis approaches to handle saline samples

António Rangel (with Rangel, António O. S. S.). 2014.
Outras

Greener alternative for the inline nitrate reduction in the sequential injection determination of NOx in natural waters

António Rangel (with Machado, Ana). 2014.
Outras

Microplate and flow injection strategies for the spectrophotometric detection of zinc (II) with two complexng agents: PAR and Zincon

António Rangel (with Ribas, Tânia C. F.). 2014.
Outras

Monitoring a Dynamic System with a Low Pressure Liquid Chromatography System: Application to a Vinification Process

António Rangel (with Vidigal, Susana). 2014.
Artigo

Performance of aerobic granular sludge in a sequencing batch bioreactor exposed to ofloxacin, norfloxacin and ciprofloxacin

António Rangel & Paula Castro (with Amorim, C.L.). 2014. Water Research
Outras

Phytomanagement of Cd-contaminated soils using maize (Zea mays L.) assisted by plant growth-promoting rhizobacteri

António Rangel (with Moreira, Helena). 2014.
Artigo

Phytomanagement of Cd-contaminated soils using maize (Zea mays L.) assisted by plant growth-promoting rhizobacteria

António Rangel & Paula Castro (with Moreira, H.). 2014. Environmental Science and Pollution Research
Outras

Quantificação de etanol em diferentes tipos de bebidas alcoólicas usando sistemas de fluxo

António Rangel (with Vidigal, Susana). 2014.
Outras

Sequential Injection Method for Iron Determination using an Hexadentate 3,4 – Hydroxypridinone Chelator

António Rangel (with Miranda, Joana L. A.). 2014.
Outras

Sequential injection method for iron speciation in natural waters using an hexadentate 3,4-HPO ligand

António Rangel (with Miranda, Joana L. A.). 2014.
Outras

Solid phase spectrometry for copper, zinc and cadmium determination in natural waters using a SI-LOV system

António Rangel (with Santos, Inês C.). 2014.
Outras

Solid phase spectrometry in a micro SIA system for cadmium and lead determination

António Rangel (with Santos, Inês C.). 2014.
Outras

Use of 3,4 HPO Chelators for as Nontoxic Reagents for the Determination of Iron

António Rangel (with Mesquita, Raquel). 2014.
Capítulo de Livro

Use of near infrared spectroscopy for coffee beans quality assessment

António Rangel (with Páscoa, Ricardo N.M.J.). 2014.
Artigo

Application of Mid- and Near-Infrared Spectroscopy for the Control and Chemical Evaluation of Brine Solutions and Traditional Sea Salts

António Rangel (with Galvis-Sánchez, A.C.). 2013. Food Analytical Methods
Artigo

Authenticity Control of Roasted Coffee Brands Using Near-Infrared Spectroscopy

António Rangel (with Sarraguça, M.C.). 2013. Food Analytical Methods
Artigo

Erratum: Remediation of heavy metal contaminated soils: An overview of site remediation techniques (Critical Reviews in Environmental Science and Technology (2011) 41:10 (879-914) DOI: 10.1080/10643380903299517)

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2013. Critical Reviews in Environmental Science and Technology
Artigo

Exploiting the use of 3,4-HPO ligands as nontoxic reagents for the determination of iron in natural waters with a sequential injection approach

António Rangel (with Mesquita, R.B.R.). 2013. Talanta
Artigo

Flow-injection spectrophotometric determination of bromate in bottled drinking water samples using chlorpromazine reagent and a liquid waveguide capillary cell

António Rangel (with Tóth, I.). 2013. Analytical Sciences
Artigo

Inoculating Helianthus annuus (sunflower) grown in zinc and cadmium contaminated soils with plant growth promoting bacteria - Effects on phytoremediation strategies

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2013. Chemosphere
Artigo

Performance of an aerobic granular sequencing batch reactor fed with wastewaters contaminated with Zn<sup>2+</sup>

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2013. Journal of Environmental Management
Livro

Sea salt

António Rangel (with Galvis-Sánchez, A.C.). 2013. Comprehensive Analytical Chemistry
Artigo

Sequential injection lab-on-valve platform as a miniaturisation tool for solid phase extraction

António Rangel (with Vidigal, S.S.M.P.). 2013. Analytical Methods
Artigo

Sequential injection methodology for carbon speciation in bathing waters

António Rangel (with Santos, I.C.). 2013. Analytica Chimica Acta
Artigo

Sequential injection system for the enzymatic determination of ethanol in alcoholic beverages with in-line dilution

António Rangel (with Pais, T.F.M.). 2013. Food Control
Artigo

Automated solid-phase spectrophotometric system for optosensing of bromate in drinking waters

António Rangel (with Oliveira, S.M.). 2012. Analytical Methods
Artigo

Determination of total protein content in white wines by solid phase spectrometry in a SI-LOV system

António Rangel (with Vidigal, S.S.M.P.). 2012. Talanta
Artigo

Development of a chromatographic low pressure flow injection system: Application to the analysis of methylxanthines in coffee

António Rangel (with Santos, J.R.). 2012. Analytica Chimica Acta
Artigo

Development of a Turbidimetric Sequential Injection System to Monitor the Codfish Desalting Process

António Rangel (with Santos, I.C.). 2012. Food Analytical Methods
Artigo

Evaluation of green coffee beans quality using near infrared spectroscopy: A quantitative approach

António Rangel (with Santos, J.R.). 2012. Food Chemistry
Artigo

Review on recent applications of the liquid waveguide capillary cell in flow based analysis techniques to enhance the sensitivity of spectroscopic detection methods

António Rangel (with Páscoa, R.N.M.J.). 2012. Analytica Chimica Acta
Artigo

Sequential injection system exploring the standard addition method for phosphate determination in high salinity samples: Interstitial, transitional and coastal waters

António Rangel (with Mesquita, R.B.R.). 2012. Analytical Methods
Artigo

Use of solid phase extraction for the sequential injection determination of alkaline phosphatase activity in dynamic water systems

António Rangel (with Santos, I.C.). 2012. Talanta
Artigo

Development of a flow method for the determination of phosphate in estuarine and freshwaters-Comparison of flow cells in spectrophotometric sequential injection analysis

António Rangel (with Mesquita, R.B.R.). 2011. Analytica Chimica Acta
Artigo

Development of a sequential injection gas diffusion system for the determination of ammonium in transitional and coastal waters

António Rangel (with Segundo, R.A.). 2011. Analytical Methods
Artigo

Development of flow injection potentiometric methods for the off-line and on-line determination of fluoride to monitor the biodegradation of a monofluorophenol in two bioreactors

António Rangel & Paula Castro (with Mesquita, R.B.R.). 2011. Talanta
Artigo

Exploiting the bead injection LOV approach to carry out spectrophotometric assays in wine: Application to the determination of iron

António Rangel (with Vidigal, S.S.M.P.). 2011. Talanta
Artigo

Fourier transform near-infrared spectroscopy application for sea salt quality evaluation

António Rangel (with Galvis-Sánchez, A.C.). 2011. Journal of Agricultural and Food Chemistry
Artigo

Heavy metal accumulation in plant species indigenous to a contaminated Portuguese site: Prospects for phytoremediation

António Rangel & Paula Castro (with Moreira, H.). 2011. Water, Air, and Soil Pollution
Artigo

Monitoring sodium chloride during cod fish desalting process by flow injection spectrometry and infrared spectroscopy

António Rangel (with Galvis-Sánchez, A.C.). 2011. Food Control
Artigo

Remediation of heavy metal contaminated soils: An overview of site remediation techniques

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2011. Critical Reviews in Environmental Science and Technology
Artigo

Spectrophotometric determination of bromate in water using multisyringe flow injection analysis

António Rangel (with Oliveira, S.M.). 2011. Analytical Letters
Artigo

Spectrophotometric determination of zinc and copper in a multi-syringe flow injection analysis system using a liquid waveguide capillary cell: Application to natural waters

António Rangel (with Páscoa, R.N.M.J.). 2011. Talanta
Artigo

Spectrophotometric sensor system based on a liquid waveguide capillary cell for the determination of titanium: Application to natural waters, sunscreens and a lake sediment

António Rangel (with Páscoa, R.N.M.J.). 2011. Sensors and Actuators, B: Chemical
Artigo

Assessment of the plant growth promotion abilities of six bacterial isolates using Zea mays as indicator plant

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2010. Soil Biology and Biochemistry
Artigo

Sequential injection kinetic flow assay for monitoring glycerol in a sugar fermentation process by Saccharomyces cerevisiae

António Rangel & Isabel Vasconcelos (with Domínguez, K.B.H.). 2010. Applied Biochemistry and Biotechnology
Artigo

Sequential injection lab-on-valve system for the determination of the activity of peroxidase in vegetables

António Rangel (with Vidigal, S.S.M.P.). 2010. Journal of Agricultural and Food Chemistry
Artigo

Simultaneous determination of tartaric acid and potassium in wines using a multicommuted flow system with dialysis

António Rangel (with Oliveira, S.M.). 2010. Talanta
Artigo

A multi-syringe flow injection system for the spectrophotometric determination of trace levels of iron in waters using a liquid waveguide capillary cell and different chelating resins and reaction chemistries

António Rangel (with Páscoa, R.N.M.J.). 2009. Microchemical Journal
Artigo

A review on sequential injection methods for water analysis

António Rangel (with Mesquita, R.B.R.). 2009. Analytica Chimica Acta
Artigo

Arsenic, lead and nickel accumulation in Rubus ulmifolius growing in contaminated soil in Portugal

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2009. Journal of Hazardous Materials
Artigo

Cell membrane damage induced by phenolic acids on wine lactic acid bacteria

António Rangel, José António Couto & Tim Hogg (with Campos, F. M.). 2009. International Journal of Food Microbiology
Artigo

Changes in the bacterial community structure in two-stage constructed wetlands with different plants for industrial wastewater treatment

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2009. Bioresource Technology
Artigo

Determination of ammonium in marine waters using a gas diffusion multicommuted flow injection system with in-line prevention of metal hydroxides precipitation

António Rangel (with Oliveira, S.M.). 2009. Journal of Environmental Monitoring
Artigo

Development of a gas diffusion multicommuted flow injection system for the determination of sulfur dioxide in wines, comparing malachite green and pararosaniline chemistries

António Rangel (with Oliveira, S.M.). 2009. Journal of Agricultural and Food Chemistry
Artigo

Development of a sequential injection system for the determination of nitrite and nitrate in waters with different salinity: Application to estuaries in NW Portugal

António Rangel (with Mesquita, R.B.R.). 2009. Analytical Methods
Artigo

Interfacing multisyringe flow injection analysis to flame atomic emission spectrometry: An intelligent system for automatic sample dilution and determination of potassium

António Rangel (with Almeida, M.I.G.S.). 2009. Journal of Analytical Atomic Spectrometry
Artigo

Remediation of heavy metal contaminated soils: Phytoremediation as a potentially promising clean-Up technology

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2009. Critical Reviews in Environmental Science and Technology
Artigo

Sequential injection lab-on-valve system for the on-line monitoring of hydrogen peroxide in lens care solutions

António Rangel (with Vidigal, S.S.M.P.). 2009. Microchemical Journal
Artigo

Sequential injection trace determination of iron in natural waters using a long-pathlength liquid core waveguide and different spectrophotometric chemistries

António Rangel (with Páscoa, R.N.M.J.). 2009. Limnology and Oceanography: Methods
Artigo

Substrate effect on bacterial communities from constructed wetlands planted with Typha latifolia treating industrial wastewater

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2009. Ecological Engineering
Artigo

Treatment of industrial wastewater with two-stage constructed wetlands planted with Typha latifolia and Phragmites australis

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2009. Bioresource Technology
Artigo

Application of manure and compost to contaminated soils and its effect on zinc accumulation by Solanum nigrum inoculated with arbuscular mycorrhizal fungi

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2008. Environmental Pollution
Livro

Chapter 18 Food, Beverages and Agricultural Applications

António Rangel (with Tóth, I.). 2008. Comprehensive Analytical Chemistry
Artigo

Development of sequential injection methodologies for the spectrophotometry direct and kinetic determination of aluminium in natural and waste waters

António Rangel (with Mesquita, R.B.R.). 2008. Journal of the Brazilian Chemical Society
Artigo

Direct introduction of slurry samples in multi-syringe flow injection analysis: Determination of potassium in plant samples

António Rangel (with Almeida, M.I.G.S.). 2008. Analytical Sciences
Artigo

EDDS and EDTA-enhanced zinc accumulation by solanum nigrum inoculated with arbuscular mycorrhizal fungi grown in contaminated soil

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2008. Chemosphere
Artigo

Evaluation of different substrates to support the growth of Typha latifolia in constructed wetlands treating tannery wastewater over long-term operation

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2008. Bioresource Technology
Artigo

Sequential injection-LOV format for peak height and kinetic measurement modes in the spectrophotometric enzymatic determination of ethanol: Application to different alcoholic beverages

António Rangel (with Vidigal, S.S.M.P.). 2008. Talanta
Artigo

Spectrophotometric flow system using vanadomolybdophosphate detection chemistry and a liquid waveguide capillary cell for the determination of phosphate with improved sensitivity in surface and ground water samples

António Rangel (with Neves, M.S.A.C.). 2008. Talanta
Artigo

The effects of tannery wastewater on the development of different plant species and chromium accumulation in Phragmites australis

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2008. Archives of Environmental Contamination and Toxicology
Artigo

A multi-commuted flow injection system with a multi-channel propulsion unit placed before detection: Spectrophotometric determination of ammonium

António Rangel (with Oliveira, S.M.). 2007. Analytica Chimica Acta
Artigo

Automatic flow system for sequential determination of ABTS{radical dot}<sup>+</sup> scavenging capacity and Folin-Ciocalteu index: A comparative study in food products

António Rangel (with Magalhães, L.M.). 2007. Analytica Chimica Acta
Artigo

Constructed wetland systems vegetated with different plants applied to the treatment of tannery wastewater

António Rangel & Paula Castro (with Calheiros, C.S.C.). 2007. Water Research
Artigo

Development of a flow injection method for monitoring cell membrane damage of wine lactic acid bacteria

António Rangel, José António Couto & Tim Hogg (with Torres, Andre F.). 2007. Microchimica Acta
Artigo

Effect of arsenic, lead and zinc on seed germination and plant growth in black nightshade (Solanum nigrum L.) vs. clover (Trifolium incarnatum L.)

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2007. Fresenius Environmental Bulletin
Artigo

Sequential injection determination of nitrate in vegetables by spectrophotometry with inline cadmium reduction

António Rangel (with Oliveira, S.M.). 2007. Communications in Soil Science and Plant Analysis
Artigo

Solanum nigrum grown in contaminated soil: Effect of arbuscular mycorrhizal fungi on zinc accumulation and histolocalisation

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2007. Environmental Pollution
Artigo

Use of tetramethylbenzidine for the spectrophotometric sequential injection determination of free chlorine in waters

António Rangel (with Mesquita, R.B.R.). 2007. Talanta
Artigo

Zinc accumulation in plant species indigenous to a Portuguese polluted site: Relation with soil contamination

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2007. Journal of Environmental Quality
Artigo

Automatic method for the determination of Folin-Ciocalteu reducing capacity in food products

António Rangel (with Magalhães, L.M.). 2006. Journal of Agricultural and Food Chemistry
Artigo

Determination of mercury in fish by cold vapor atomic absorption spectrophotometry using a multicommuted flow injection analysis system

António Rangel (with Silva, M.F.). 2006. Analytical Sciences
Artigo

Determination of nitrate and nitrite in dairy samples by sequential injection using an in-line cadmium-reducing column

António Rangel (with Reis Lima, M.J.). 2006. International Dairy Journal
Artigo

Multi-pumping flow system for the determination of dissolved orthophosphate and dissolved organic phosphorus in wastewater samples

António Rangel (with Pons, C.). 2006. Analytica Chimica Acta
Artigo

Potentiometric multi-syringe flow injection system for determination of exchangeable potassium in soils with in-line extraction

António Rangel (with Almeida, M.I.G.S.). 2006. Microchemical Journal
Artigo

Sequential injection system for the enzymatic determination of ethanol in wine

António Rangel (with Páscoa, R.N.M.J.). 2006. Journal of Agricultural and Food Chemistry
Artigo

The application of multicommutated flow techniques to the determination of iron

António Rangel (with Pons, C.). 2006. TrAC - Trends in Analytical Chemistry
Artigo

Turbidimetric and nephelometric flow analysis: Concepts and applications

António Rangel (with Morais, I.P.A.). 2006. Spectroscopy Letters
Artigo

Zinc accumulation in Solanum nigrum is enhanced by different arbuscular mycorrhizal fungi

António Rangel & Paula Castro (with Marques, A.P.G.C.). 2006. Chemosphere
Artigo

A double-line sequential injection system for the spectrophotometric determination of copper, iron, manganese, and zinc in waters

António Rangel (with Morais, I.P.A.). 2005. Journal of AOAC International
Artigo

A new approach for the sequential injection spectrophotometric determination of the total antioxidant activity

António Rangel (with Lima, M.J.R.). 2005. Talanta
Artigo

An overview on flow methods for the chemiluminescence determination of phosphorus

António Rangel (with Morais, I.P.A.). 2005. Talanta
Artigo

Determination of ambroxol in an automated multi-pumping pulsed flow system

António Rangel (with Santos, J.L.M.). 2005. Analytical Sciences
Artigo

Gas diffusion sequential injection system for the spectrophotometric determination of free chlorine with o-dianisidine

António Rangel (with Mesquita, R.B.R.). 2005. Talanta
Artigo

Multi-syringe flow injection system for the determination of available phosphorus in soil samples

António Rangel (with Almeida, M.I.G.S.). 2005. International Journal of Environmental Analytical Chemistry
Artigo

Sample introduction in multi-syringe flow injection systems: Comparison between time-based and volume-based strategies

António Rangel (with Segundo, M.A.). 2005. Analytica Chimica Acta
Artigo

Spectrophotometric determination of iron and boron in soil extracts using a multi-syringe flow injection system

António Rangel (with Gomes, D.M.C.). 2005. Talanta
Artigo

Use of flow injection multisite detection as a novel approach for blank signal correction in a spectrophotometric determination

António Rangel (with Oliveira, T.A.C.). 2005. Journal of AOAC International
Artigo

A flow system for the spectrophotometric determination of lead in different types of waters using ion-exchange for pre-concentration and elimination of interferences

António Rangel (with Mesquita, R.B.R.). 2004. Talanta
Artigo

A sequential injection system for the spectrophotometric determination of calcium, magnesium and alkalinity in water samples

António Rangel (with Mesquita, R.B.R.). 2004. Analytical Sciences
Artigo

Automatic flow systems based on sequential injection analysis for routine determinations in wines

António Rangel (with Segundo, M.A.). 2004. Analytica Chimica Acta
Artigo

Determination of Aluminum(III) in Crystallized Fruit Samples Using a Multicommutated Flow System

António Rangel (with Tóth, I.V.). 2004. Journal of Agricultural and Food Chemistry
Artigo

Enzymatic determination of urea in milk by sequential injection with spectrophotometric and conductometric detection

António Rangel (with Lima, M.J.R.). 2004. Journal of Agricultural and Food Chemistry
Artigo

Flow-through solid-phase based optical sensor for the multisyringe flow injection trace determination of orthophosphate in waters with chemiluminescence detection

António Rangel (with Morais, I.P.A.). 2004. Analytica Chimica Acta
Artigo

Multi-syringe flow injection system with in-line microwave digestion for the determination of phosphorus

António Rangel (with Almeida, M.I.G.S.). 2004. Talanta
Artigo

Sequential injection titration of chloride in milk with potentiometric detection

António Rangel (with Reis Lima, M.J.). 2004. Food Control
Artigo

Spectrophotometric determination of nitrite and nitrate in cured meat by sequential injection analysis

António Rangel (with Oliveira, S.M.). 2004. Journal of Food Science
Artigo

Biological treatment of a contaminated gaseous emission containing monochlorobenzene

António Rangel & Paula Castro (with Bastos, F.S.C.). 2003. Environmental Technology
Artigo

Kinetic determination of L(-)malic acid in wines using sequential injection analysis

António Rangel (with Segundo, M.A.). 2003. Analytica Chimica Acta
Artigo

Use of a mixing chamber for sample preparation and multiple collection in sequential injection analysis: Determination of sulfate in wines

António Rangel (with Silva, H.R.). 2003. Journal of the Brazilian Chemical Society
Artigo

Use of a single air segment to minimise dispersion and improve mixing in sequential injection: Turbidimetric determination of sulphate in waters

António Rangel (with Morais, I.P.A.). 2003. Water Research
Artigo

A flow system with in-line blank correction applied to the spectrophotometric determination of total iron and chromium (VI) in wastewaters

António Rangel (with Morais, I.P.A.). 2002. Analytical and Bioanalytical Chemistry
Artigo

A sequential injection system for the in-line digestion and colorimetric determination of phosphorus in milk

António Rangel (with Reis Lima, M.J.). 2002. Journal of Food Science
Artigo

Colorimetric determination of phosphorus in milk by flow injection analysis using a thermal/UV induced digestion

António Rangel (with Reis Lima, M.J.). 2002. Italian Journal of Food Science
Artigo

Sequential injection flow system with improved sample throughput: Determination of glycerol and ethanol in wines

António Rangel (with Segundo, M.A.). 2002. Analytica Chimica Acta
Artigo

Turbidimetric determination of chloride in different types of water using a single sequential injection analysis system

António Rangel (with Mesquita, R.B.R.). 2002. Journal of Environmental Monitoring
Artigo

A gas diffusion sequential injection system for the determination of sulphur dioxide in wines

António Rangel (with Segundo, M.A.). 2001. Analytica Chimica Acta
Artigo

Determination of Sulfate in Natural and Residual Waters by Turbidimetric Flow-Injection Analysis

António Rangel (with Morais, I.P.A.). 2001. Journal of AOAC International
Artigo

Assay of plant tissues for elemental content by flow injection analysis

António Rangel (with Lima, J.L.F.C.). 2000. Communications in Soil Science and Plant Analysis
Artigo

Enzymatic determination of ethanol and glycerol by flow injection parallel multi-site detection

António Rangel (with Rangel, A.O.S.S.). 2000. Analytica Chimica Acta
Artigo

Multisyringe flow system: Determination of sulfur dioxide in wines

António Rangel (with Segundo, M.A.). 2000. Analyst
Artigo

Sequential injection system for the spectrophotometric determination of reducing sugars in wines

António Rangel (with Araújo, A.N.). 2000. Talanta
Artigo

Spectrophotometric determination of carbon dioxide and sulphur dioxide in wines by flow injection

António Rangel (with Atanassov, G.T.). 2000. Analusis
Artigo

Spectrophotometric flow injection determination of total phosphorus in beer using on-line UV/thermal induced digestion

António Rangel (with Fernandes, S.M.V.). 2000. Fresenius' Journal of Analytical Chemistry
Artigo

Determination of ethanol in wines by flow injection spectrophotometry using gas-diffusion and an immobilized enzyme reactor

António Rangel (with Rangel, A.O.S.S.). 1999. American Journal of Enology and Viticulture
Artigo

Determination of iron in soils by flow injection atomic absorption spectrometry

António Rangel (with Ferreira, A.M.R.). 1998. Communications in Soil Science and Plant Analysis
Artigo

Determination of total sulphur dioxide in beer by flow injection spectrophotometry using gas-diffusion and the merging zones technique

António Rangel (with Fernandes, S.M.V.). 1998. Journal of the Institute of Brewing
Artigo

Enzymatic determination of L(+) lactic and L(-) malic acids in wines by flow-injection spectrophotometry

António Rangel (with Lima, J.L.F.C.). 1998. Analytica Chimica Acta
Artigo

Flow injection systems for elemental soil analysis determinations

António Rangel (with Ferreira, A.M.R.). 1998. Communications in Soil Science and Plant Analysis
Artigo

Merging Zones Standard Addition Technique for Determination of Copper in Beer by Flow Injection Atomic Absorption Spectrophotometry

António Rangel (with Fernandes, S.M.V.). 1998. Journal of AOAC International
Artigo

Sequential determination of titratable acidity and tartaric acid in wines by flow injection spectrophotometry

António Rangel (with Rangel, A.O.S.S.). 1998. Analyst
Artigo

Flow Injection Determination of Sodium, Potassium, Calcium, and Magnesium in Beer by Flame Emission and Atomic Absorption Spectrometry

António Rangel (with Fernandes, S.M.V.). 1997. Journal of Agricultural and Food Chemistry
Artigo

Flow injection system with gas diffusion for the sequential determination of total nitrogen and phosphorus in vegetables

António Rangel (with Lima, J.L.F.C.). 1997. Fresenius' Journal of Analytical Chemistry
Artigo

Turbidimetric flow-injection determination of total nitrogen and potassium in vegetables

António Rangel (with Lima, J.L.F.C.). 1997. Analytica Chimica Acta
Artigo

Colorimetric determination of available iron in soils by flow injection analysis

António Rangel (with Ferreira, A.M.R.). 1996. Analusis
Artigo

Determinação de anião nitrato em águas por FIA usando um detector potenciométrico tubular

António Rangel (with Lima, J.L.F.C.). 1996. Revista Portuguesa de Farmacia
Artigo

Determination of chloride in soils by flow injection potentiometric pseudo-titration

António Rangel (with Ferreira, A.M.R.). 1996. Communications in Soil Science and Plant Analysis
Artigo

Flow Injection Sequential Speciation of Free and Total Potassium in Fortified Wines

António Rangel (with Rangel, A.O.S.S.). 1996. Analytical Sciences
Artigo

Potentiometric determination of chloride in vegetables by flow injection analysis

António Rangel (with Lima, J.L.F.C.). 1996. Communications in Soil Science and Plant Analysis
Artigo

Potentiometric determination of total nitrogen in soils by flow injection analysis with a gas-diffusion unit

António Rangel (with Ferreira, A.M.R.). 1996. Australian Journal of Soil Research
Artigo

Simultaneous determination of potassium and sodium in vegetables by flame emission spectrometry using a flow-injection system with two dialysis units

António Rangel (with Lima, J.L.F.C.). 1996. Analytical Sciences
Artigo

Spectrophotometic flow injection determination of lead in Port wine using in-line ion-exchange concentration

António Rangel (with Lopes, T.I.M.S.). 1996. Analyst
Artigo

COLORIMETRIC DETERMINATION OF IRON IN BEER BY FLOW INJECTION ANALYSIS USING THE MERGING ZONES TECHNIQUE

António Rangel (with FERNANDES, S.M.V.). 1995. Journal of the Institute of Brewing
Artigo

Construction and use of a tubular picrate ion-selective electrode for reducing sugar determination in Port wine by flow-injection analysis

António Rangel (with Lopes, T.I.M.S.). 1995. Analytica Chimica Acta
Artigo

Flow Injection Determination of Nitrate in Vegetables Using a Tubular Potentiometric Detector

António Rangel (with Lima, J.L.F.C.). 1995. Journal of Agricultural and Food Chemistry
Artigo

Flow injection simultaneous determination of basic cation pairs in soils

António Rangel (with Ferreira, A.M.R.). 1995. Soil Science
Artigo

Flow injection systems with a stream splitting and a dialysis unit for the soil analysis of sodium and potassium by flame emission spectrometry, and calcium and magnesium by atomic absorption spectrophotometry

António Rangel (with Ferreira, A.M.). 1995. Communications in Soil Science and Plant Analysis
Artigo

Differential-pulse cathodic stripping voltammetric determination of sodium nitroprusside at a hanging mercury drop electrode aided by copper(II) and Poly-L-lysine modification

António Rangel (with Pirzad, R.). 1994. The Analyst
Artigo

Flow injection titration of chloride in food products with a silver tubular electrode based on an homogeneous crystalline membrane

António Rangel (with Ferreira, I.M.P.L.V.O.). 1994. Food Chemistry
Artigo

Usefulness of a detector inlet overpressure and stream splitting in FIA systems to deal with food sample pre-treatment requirements. Application to wine analysis

António Rangel (with Lima, JosL.F.C.). 1991. Food Control
Artigo

Chloride pseudotitration in wines by FIA with a Ag<inf>2</inf>S/Ag tubular electrode as detector

António Rangel (with Lima, J.L.F.C.). 1989. Journal of Food Composition and Analysis
Artigo

Simultaneous determination of total iron and chromium(VI) in wastewater using a flow injection system based on the sandwich technique

António Rangel (with Araujo, A.N.). 1989. The Analyst