263 results on '"Rocha, Fábio R.P."'
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2. Exploiting multi-signal calibration to circumvent matrix effects in flow injection analysis
3. Salt-assisted liquid-liquid extraction and on-column concentration for chromatographic determination of phenolic compounds in beer
4. Exploiting digital images and videos for urea determination in milk based on enzymatic hydrolysis monitoring
5. Smartphone-based digital images in analytical chemistry: Why, when, and how to use
6. Digital-image eco-friendly spot test with liquid–liquid microextraction for selective determination of flavonols in berries
7. Digital-image photometry and salting-out assisted liquid-liquid microextraction for determination of flavonols in berries
8. A cost-effective microfluidic device for determination of biodiesel content in diesel blends
9. Exploiting chemometrics for screening analysis by near-infrared spectroscopy without the support of reference analytical methods: Application to bulk sweeteners
10. Exploiting microdistillation and smartphone-based digital-image colorimetry for determination of protein in foods
11. Sample preparation and spectrometric methods for elemental analysis of milk and dairy products – A review
12. Innovative prediction of milk microbiological quality from pH measurements by digital imaging photometry
13. The role of 5-hydroxymethylfurfural in food and recent advances in analytical methods
14. Digital-image photometry with multi-energy calibration
15. Single-phase determination of calcium and magnesium in biodiesel using smartphone-based digital images
16. Novel approach for screening milk based on fast and environmentally friendly determination of protein and fat
17. Large-scale flow analysis: From repetitive assays to expert analyzers
18. Perspective: What constitutes a quality paper in atomic spectrometry
19. Spot test for determination of uric acid in saliva by smartphone-based digital images: A new proposal for detecting kidney dysfunctions
20. Spot test for fast determination of hydrogen peroxide as a milk adulterant by smartphone-based digital image colorimetry
21. Solventless separation of underivatized biogenic amines by sequential injection chromatography
22. Multi-energy calibration to circumvent matrix effects in the determination of biodiesel quality parameters by UV–Vis spectrophotometry
23. Systematic evaluation of sample preparation for fractionation of phytohormone salicylic acid in fresh leaves
24. Flow analysis during the 60 years of Talanta
25. Spot test exploiting smartphone-based digital images for determination of biodiesel in diesel blends
26. Special issue: Advances in green analytical chemistry
27. A simple and low-cost approach for microdistillation: Application to methanol determination in biodiesel exploiting smartphone-based digital images
28. A greener, fast, and cost-effective smartphone-based digital image procedure for quantification of ethanol in distilled beverages
29. A novel spot test based on digital images for determination of methanol in biodiesel
30. A new strategy for membraneless gas-liquid separation in flow analysis: Determination of dissolved inorganic carbon in natural waters
31. A green and cost-effective procedure for determination of anionic surfactants in milk with liquid-liquid microextraction and smartphone-based photometric detection
32. Fluidized particles in flow analysis: potentialities, limitations and applications
33. Spectrofluorimetric determination of bisphenol A in tap waters by exploiting liquid-liquid microextraction in a sequential injection system
34. A flow-based procedure exploiting the lab-in-syringe approach for the determination of ester content in biodiesel and diesel/biodiesel blends
35. A spot test for iodine value determination in biodiesel based on digital images exploiting a smartphone
36. Recent advances on determination of milk adulterants
37. Exploiting chemometrics for screening analysis by near-infrared spectroscopy without the support of reference analytical methods: application to bulk sweeteners
38. On-line lab-in-syringe cloud point extraction for the spectrophotometric determination of antimony
39. Liquid–liquid microextraction in sequential injection analysis for the direct spectrophotometric determination of acid number in biodiesel
40. Tracer-monitored flow titrations
41. Gravimetry ☆
42. Exploitation of pulsed flows for on-line dispersive liquid–liquid microextraction: Spectrophotometric determination of formaldehyde in milk
43. A portable multi-syringe flow system for spectrofluorimetric determination of iodide in seawater
44. A critical review on photochemical conversions in flow analysis
45. Cloud point extraction in flow-based systems
46. On-line hyphenation of solid-phase extraction to chromatographic separation of sulfonamides with fused-core columns in sequential injection chromatography
47. An air carrier flow system for the spectrophotometric determination of water in biodiesel exploiting bleaching of the cobalt chloride complex
48. Expanding the separation capability of sequential injection chromatography: Determination of melamine in milk exploiting micellar medium and on-line sample preparation
49. Liquid–liquid microextraction in a multicommuted flow system for direct spectrophotometric determination of iodine value in biodiesel
50. An improved approach for flow-based cloud point extraction
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