All Stories

  1. Greener Route for Recovery of High-Purity Lanthanides from the Waste of Nickel Metal Hydride Battery Using a Hydrophobic Deep Eutectic Solvent
  2. Salt-assisted liquid-liquid extraction and on-column concentration for chromatographic determination of phenolic compounds in beer
  3. Exploiting chemometrics for screening analysis by near-infrared spectroscopy without the support of reference analytical methods: Application to bulk sweeteners
  4. Exploiting microdistillation and smartphone-based digital-image colorimetry for determination of protein in foods
  5. A novel approach for lactose determination in cow's milk exploiting smartphone-based digital-image photometry
  6. Evaluation of calibration approaches for quantitative analysis of sludge by laser induced breakdown spectrometry
  7. Feasibility of laser-induced breakdown spectroscopy for determination of neodymium in magnet alloys
  8. Multi-energy calibration for determining critical metals in nickel-metal hydride battery residues by microwave-induced plasma atomic emission spectrometry
  9. Sample preparation and spectrometric methods for elemental analysis of milk and dairy products – A review
  10. Innovative prediction of milk microbiological quality from pH measurements by digital imaging photometry
  11. The role of 5-hydroxymethylfurfural in food and recent advances in analytical methods
  12. Flow-based determination of lead exploiting in-syringe dispersive liquid-liquid micro-extraction in xylene and integrated spectrophotometric detection
  13. Chemical Derivatization in Flow Analysis
  14. Single-phase determination of calcium and magnesium in biodiesel using smartphone-based digital images
  15. Novel approach for screening milk based on fast and environmentally friendly determination of protein and fat
  16. Large-scale flow analysis: From repetitive assays to expert analyzers
  17. Smartphone-based digital images as a novel approach to determine formaldehyde as a milk adulterant
  18. Spot test for determination of uric acid in saliva by smartphone-based digital images: A new proposal for detecting kidney dysfunctions
  19. A novel approach to detect milk adulteration based on the determination of protein content by smartphone-based digital image colorimetry
  20. Green volumetric procedure for determining biodiesel content in diesel blends or mixtures with vegetable oils exploiting solubility differences in an ethanol:water medium
  21. Spot test for fast determination of hydrogen peroxide as a milk adulterant by smartphone-based digital image colorimetry
  22. Two-dimensional separation by sequential injection chromatography
  23. Flow-Batch Sample Preparation for Fractionation of the Stress Signaling Phytohormone Salicylic Acid in Fresh Leaves
  24. Solventless separation of underivatized biogenic amines by sequential injection chromatography
  25. Flow Analysis: A Powerful Tool for Green Analytical Chemistry
  26. 19th Brazilian meeting on analytical chemistry
  27. Multi-energy calibration to circumvent matrix effects in the determination of biodiesel quality parameters by UV–Vis spectrophotometry
  28. Exploitation of a short monolithic column for in‐line separation and preconcentration: Environmental friendly determination of the emerging pollutant salicylic acid in natural waters
  29. Systematic evaluation of sample preparation for fractionation of phytohormone salicylic acid in fresh leaves
  30. A spot test for total esters determination in sugarcane spirits exploiting smartphone-based digital images
  31. Flow analysis during the 60 years of Talanta
  32. Reply to the ‘Comment on “Slope ratio calibration for analysis of plant leaves by laser-induced breakdown spectroscopy”’ by Vincenzo Palleschi, JAAS 2020, 35, DOI: C9JA00381A
  33. Spot test exploiting smartphone-based digital images for determination of biodiesel in diesel blends
  34. The multiple facets of flow analysis. A tutorial
  35. Flow-based solid sample preparation: Advantages, limitations, and challenges
  36. A simple and low-cost approach for microdistillation: Application to methanol determination in biodiesel exploiting smartphone-based digital images
  37. A greener, fast, and cost-effective smartphone-based digital image procedure for quantification of ethanol in distilled beverages
  38. Monoliths: Synthetic routes, functionalization and innovative analytical applications
  39. A novel spot test based on digital images for determination of methanol in biodiesel
  40. A new strategy for membraneless gas-liquid separation in flow analysis: Determination of dissolved inorganic carbon in natural waters
  41. An overview of the Brazilian contributions to Green Analytical Chemistry
  42. Multi-energy calibration and sample fusion as alternatives for quantitative analysis of high silicon content samples by laser-induced breakdown spectrometry
  43. Slope ratio calibration for analysis of plant leaves by laser-induced breakdown spectroscopy
  44. A green and cost-effective procedure for determination of anionic surfactants in milk with liquid-liquid microextraction and smartphone-based photometric detection
  45. Editorial
  46. Fluidized particles in flow analysis: potentialities, limitations and applications
  47. Metal and trace element assessments of bottom sediments from medium Tietê River basin, Sao Paulo State, Brazil: part II
  48. Spectrofluorimetric determination of bisphenol A in tap waters by exploiting liquid-liquid microextraction in a sequential injection system
  49. Fast Spectrophotometric Determination of Iodine Value in Biodiesel and Vegetable Oils
  50. Flow Analysis: Looking Back and Forward
  51. Solid-phase extractions in flow analysis
  52. A flow-based procedure exploiting the lab-in-syringe approach for the determination of ester content in biodiesel and diesel/biodiesel blends
  53. A spot test for iodine value determination in biodiesel based on digital images exploiting a smartphone
  54. Recent advances on determination of milk adulterants
  55. Feasible photometric measurements in liquid–liquid extraction by exploiting smartphone-based digital images
  56. Flow-based food analysis: an overview of recent contributions
  57. Sinais de fundo em análise instrumental: uma discussão essencial em cursos de graduação
  58. On-line lab-in-syringe cloud point extraction for the spectrophotometric determination of antimony
  59. Cloud point extraction in flow-based systems
  60. Tracer-monitored flow titrations
  61. Fast and environmentally friendly determination of salicylic acid in plant materials by sequential injection chromatography
  62. Liquid–liquid microextraction in sequential injection analysis for the direct spectrophotometric determination of acid number in biodiesel
  63. A portable multi-syringe flow system for spectrofluorimetric determination of iodide in seawater
  64. Exploitation of pulsed flows for on-line dispersive liquid–liquid microextraction: Spectrophotometric determination of formaldehyde in milk
  65. The aquatic impact of ionic liquids on freshwater organisms
  66. Applications of biosorbents in atomic spectrometry
  67. A critical review on photochemical conversions in flow analysis
  68. NAA and XRF technique bottom sediment assessment for major and trace elements: Tietê River, São Paulo State, Brazil
  69. A fast and environmental friendly analytical procedure for determination of melamine in milk exploiting fluorescence quenching
  70. On-line hyphenation of solid-phase extraction to chromatographic separation of sulfonamides with fused-core columns in sequential injection chromatography
  71. An air carrier flow system for the spectrophotometric determination of water in biodiesel exploiting bleaching of the cobalt chloride complex
  72. A novel strategy to determine As, Cr, Hg and V in drinking water by ICP-MS/MS
  73. On-column preconcentration in sequential injection chromatography: application to determination of parabens
  74. Greener procedures for biodiesel quality control
  75. A NEW DEVICE FOR FLOW-BASED LIQUID-LIQUID EXTRACTIONS
  76. Expanding the separation capability of sequential injection chromatography: Determination of melamine in milk exploiting micellar medium and on-line sample preparation
  77. Liquid–liquid microextraction in a multicommuted flow system for direct spectrophotometric determination of iodine value in biodiesel
  78. An improved approach for flow-based cloud point extraction
  79. Flow analysis in Brazil: contributions over the last four decades
  80. A multi-pumping flow system for acute toxicity bioassay using the Vibrio fischeri bacteria
  81. Adsorption of 1-(2-Thiazolylazo)-2-Naphthol on Amberlite XAD-7 and Silica Gel: Isotherms and Kinetic Studies
  82. A flow injection low-pressure chromatographic system exploiting fused-core columns
  83. A green flow-injection procedure for fluorimetric determination of bisphenol A in tap waters based on the inclusion complex with β-cyclodextrin
  84. A multi-pumping flow system with on-line photochemical conversion and improved sensitivity for phosphorus fractionation in freshwaters
  85. Contributions of Flow Analysis for Quality Control of Automotive Fuels: A Review
  86. Photochemical micro-digestion in a multi-pumping flow system for phosphorus fractionation in cereals
  87. Sixteenth Brazilian Meeting on Analytical Chemistry (Brazil, 2011)
  88. An environmentally friendly flow-based procedure with photo-induced oxidation for the spectrophotometric determination of chloride in urine and waters
  89. Greening sample preparation in inorganic analysis
  90. A simple and fast procedure for in situ determination of water in ethanol fuel
  91. A Multi-pumping Flow System for Fast Spectrophotometric Determination of Simvastatin
  92. A multicommuted flow system with liquid–liquid microextraction for determination of anionic surfactants in freshwaters
  93. A Multi-pumping Flow System for Fast Spectrophotometric Determination of Simvastatin
  94. A multi-pumping flow-based procedure with improved sensitivity for the spectrophotometric determination of acid-dissociable cyanide in natural waters
  95. A single-phase spectrophotometric procedure for in situ analysis of free glycerol in biodiesel
  96. A Simple and Fast Procedure forin situDetermination of Water in Ethanol Fuel
  97. Green chemistry and the evolution of flow analysis. A review
  98. An environmentally friendly analytical procedure for nickel determination by atomic and molecular spectrometry after cloud point extraction in different samples
  99. Green Analytical Chemistry Through Flow Analysis
  100. Immobilization of glucose oxidase enzyme (GOD) in large pore ordered mesoporous cage-like FDU-1 silica
  101. Sequential spectrofluorimetric determination of free and total glycerol in biodiesel in a multicommuted flow system
  102. Exploiting Mn(III)/EDTA complex in a flow system with solenoid micro-pumps coupled to long pathlength spectrophotometry for fast manganese determination
  103. Liquid–liquid microextraction without phase separation in a multicommuted flow system for diltiazem determination in pharmaceuticals
  104. A multicommuted flow system for dissolution studies of Captopril in pharmaceutical preparations
  105. Sistema de análises em fluxo polivalente para a determinação espectrofotométrica de fármacos
  106. Direct Solid-Phase Optical Measurements in Flow Systems: A Review
  107. A flow injection procedure based on solenoid micro-pumps for spectrophotometric determination of free glycerol in biodiesel
  108. Versatile microanalytical system with porous polypropylene capillary membrane for calibration gas generation and trace gaseous pollutants sampling applied to the analysis of formaldehyde, formic acid, acetic acid and ammonia in outdoor air
  109. An environmentally friendly flow system for high-sensitivity spectrophotometric determination of free chlorine in natural waters
  110. A greener and highly sensitive flow-based procedure for carbaryl determination exploiting long pathlength spectrophotometry and photochemical waste degradation
  111. A flow-based procedure with solenoid micro-pumps for the spectrophotometric determination of uric acid in urine
  112. A green analytical procedure for determination of copper and iron in plant materials after cloud point extraction
  113. Construção de espectrômetro de emissão atômica com atomização eletrotérmica em filamento de tungstênio (WCAES)
  114. A multicommuted flow procedure for the determination of total and free cholesterol in eggs and human blood serum by chemiluminescence
  115. Cloud point extraction and concentration of carbaryl from natural waters
  116. Green Strategies in Trace Analysis: A Glimpse of Simple Alternatives for Sample Pretreatment and Analyte Determination
  117. Peat as a natural solid-phase for copper preconcentration and determination in a multicommuted flow system coupled to flame atomic absorption spectrometry
  118. Cloud point extraction to avoid interferences by structured background on nickel determination in plant materials by FAAS
  119. Flow-injection iodimetric determination of captopril in pharmaceutical preparations
  120. Analytical chemistry in Brazil: healthy and growing
  121. A critical evaluation of a long pathlength cell for flow-based spectrophotometric measurements
  122. A critical evaluation of a flow‐cell based on a liquid core waveguide for chemiluminescence measurements
  123. A Flow-Based Analytical Procedure for Salbutamol Determination Exploiting Chemiluminescence in a Liquid-Core Waveguide
  124. A multicommuted flow system with solenoid micro-pumps for paraquat determination in natural waters
  125. A green flow-based procedure for fluorimetric determination of acid-dissociable cyanide in natural waters exploiting multicommutation
  126. An improved procedure for flow-based turbidimetric sulphate determination based on a liquid core waveguide and pulsed flows
  127. A multicommuted flow-system for spectrophotometric determination of tannin exploiting the Cu(I)/BCA complex formation
  128. Construção de uma cela de fluxo de longo caminho óptico para medidas espectrofotométricas
  129. An improved flow-based procedure for microdetermination of total tannins in beverages with minimized reagent consumption
  130. A Multicommuted Flow‐based System for Hydrogen Peroxide Determination by Chemiluminescence Detection Using a Photodiode
  131. Development and critical comparison of greener flow procedures for nitrite determination in natural waters
  132. A green analytical procedure for sensitive and selective determination of iron in water samples by flow-injection solid-phase spectrophotometry
  133. A Multi‐purpose Flow System Based on Multi‐commutation
  134. Integração de técnicas analíticas e proposta de experimentos para cursos de graduação em análise instrumental: uso de espectrômetro de absorção atômica para medidas de absorção molecular
  135. An improved procedure for phosphorous fractionation in plant materials exploiting sample preparation and monosegmented flow analysis
  136. Evaluation of a Multicommuted Flow System for PhotometricEnvironmental Measurements
  137. A portable and low cost equipment for flow injection chemiluminescence measurements
  138. A clean method for flow injection spectrophotometric determination of cyclamate in table sweeteners
  139. A green analytical procedure for flow-injection determination of nitrate in natural waters
  140. Estratégias para aumento de sensibilidade em espectrofotometria UV-VIS
  141. Multímetro interfaceado de baixo custo para aquisição de dados
  142. Um experimento de análise em fluxo envolvendo reações enzimáticas e quimiluminescência
  143. An improved flow system for phenols determination exploiting multicommutation and long pathlength spectrophotometry
  144. Simultaneous in-line concentration for spectrophotometric determination of cations and anions
  145. A multicommuted flow system for sequential spectrophotometric determination of hydrosoluble vitamins in pharmaceutical preparations
  146. Desenvolvimento de um dispositivo de baixo custo para medidas por quimiluminescência
  147. Multicommutation in flow analysis: concepts, applications and trends
  148. A Flow System for Spectrophotometric Multidetermination in Water Exploiting Reagent Injection
  149. Flow system with in-line separation/preconcentration coupled to graphite furnace atomic absorption spectrometry with W–Rh permanent modifier for copper determination in seawater
  150. Química analítica brasileira durante os 25 anos da SBQ: contexto atual e senso comum
  151. A multicommutation-based flow system for multi-element analysis in pharmaceutical preparations
  152. An improved flow system for spectrophotometric determination of anions exploiting multicommutation and multidetection
  153. Flow-injection spectrophotometric multidetermination of metallic ions with a single reagent exploiting multicommutation and multidetection
  154. Flow analysis strategies to greener analytical chemistry. An overview
  155. Detecting and circumventing sources of inaccuracy in flow analysis
  156. Nickel and zinc determination by flow-injection solid-phase spectrophotometry exploiting different sorption rates
  157. Influence of Na, K, Ca and Mg on lead atomization by tungsten coil atomic absorption spectrometry
  158. A flow system exploiting multicommutation for speciation of inorganic nitrogen in waters
  159. Experimentos didáticos utilizando sistema de análise por injeção em fluxo
  160. A Low-Cost Device for Automatic Photometric Titrations
  161. Construção de uma cela de fluxo para medidas por espectrofotometria em fase sólida
  162. Flow Injection Analysis in the Undergraduate Laboratory
  163. Monosegmented flow system exploiting multicommutation applied to spectrophotometric determination of manganese in soybean digests
  164. Flow-injection solid-phase spectrophotometry for the determination of zinc in pharmaceutical preparations
  165. Automatic multicommutation flow system for wide range spectrophotometric calcium determination
  166. Flow injection spectrophotometric determination of nitrate in electrolyte of lead-acid batteries
  167. Ionic Strength Effect on the Rate of Reduction of Hexacyanoferrate(III) by Ascorbic Acid: A Flow Injection Kinetic Experiment
  168. Overcoming the schlieren effect in flow injection spectrophotometry by introduction of large sample volumes: determination of chloride in the electrolyte of lead-acid batteries
  169. Effects of Solution Physical Properties on Copper and Chromium Signals in Flame Atomic Absorption Spectrometry