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Development of a method for oxalate determination by differential-pulse polarography after derivatization with o-phenylenediamineRODRIGUES, J. A; BARROS, A. A.Analytica chimica acta. 1993, Vol 273, Num 1-2, pp 531-537, issn 0003-2670Conference Paper

Flow injection voltammetric determination of hypochlorite and hypobromite as bromine by injection into an acidic bromide eluent and the indirect determination of ammonia and hydrazine by reaction with an excess of hypobromiteFOGG, A. G; CHAMSI, A. Y; BARROS, A. A et al.Analyst (London. 1877. Print). 1984, Vol 109, Num 7, pp 901-904, issn 0003-2654Article

Voltammetry of compounds confined at the hanging mercury drop electrode surfaceBARROS, A. A; RODRIGUES, J. A; ALMEIDA, P. J et al.Analytica chimica acta. 1999, Vol 385, Num 1-3, pp 315-323, issn 0003-2670Conference Paper

Determination of sulphanilic acid in the presence of tartrazine by differential-pulse polarography after conversion into an azo compoundBARROS, A. A; RODRIGUES, J. A; ALMEIDA, P. J et al.Analytica chimica acta. 1993, Vol 273, Num 1-2, pp 539-543, issn 0003-2670Conference Paper

Determination of β-damascenone in alcoholic beverages by reversed-phase liquid chromatography with ultraviolet detectionCARNEIRO, J. R; FERREIRA, J. A; GUIDO, L. F et al.Food chemistry. 2006, Vol 99, Num 1, pp 51-56, issn 0308-8146, 6 p.Article

Flow injection square wave cathodic stripping voltammetric determination at a hanging mercury drop electrode of rapidly reduced compounds: Determination of diacetyl in wine as 2,3-dimethylquinoxalineRODRIGUES, J. A; BARROS, A. A; ALMEIDA, P. J et al.Analytica chimica acta. 2001, Vol 449, Num 1-2, pp 119-127, issn 0003-2670Article

Voltammetric studies of anthraquinone dyes adsorbed at a hanging mercury drop electrode using fast pulse techniquesALMEIDA, P. J; RODRIGUES, J. A; BARROS, A. A et al.Analytica chimica acta. 1999, Vol 385, Num 1-3, pp 287-293, issn 0003-2670Conference Paper

Determination of diacetyl in beer using differential-pulse polarographyRODRIGUES, J. A; BARROS, A. A; MACHADO CRUZ, J. M et al.Journal of the Institute of Brewing. 1997, Vol 103, Num 5, pp 311-314, issn 0046-9750Article

Vitaltitration: A new method for assessment of yeast vitalityGONCALVES RODRIGUES, Pedro; BARROS, A. A; RODRIGUES, J. A et al.Technical quarterly - Master Brewers Association of the Americas. 2004, Vol 41, Num 3, pp 277-281, issn 0743-9407, 5 p.Article

Free sulfur dioxide in beer as the difference between total sulfur dioxide and acetaldehyde: A voltammetric approachALMEIDA, P. J; RODRIGUES, J. A; GUIDO, L. F et al.Journal of the American Society of Brewing Chemists. 2003, Vol 61, Num 4, pp 191-195, issn 0361-0470, 5 p.Article

Differential pulse polarographic determination of α-dicarbonyl compounds in foodstuffs after derivatization with o-phenylenediamineRODRIGUES, J. A; BARROS, A. A; RODRIGUES, P. G et al.Journal of agricultural and food chemistry (Print). 1999, Vol 47, Num 8, pp 3219-3222, issn 0021-8561Article

Differential-pulse adsorptive stripping voltammetry of food and cosmetic synthetic colouring matters and their determination and partial identification in tablet coatings and cosmetics = Voltamétrie différentielle pulsée d'adsorption à dépouillement des colorants artificiels utilisés en technologie alimentaire et en cosmétologie et leur dosage par identification partielle dans les enrobages de comprimés et dans les cosmétiquesFOGG, A. G; BARROS, A. A; CABRAL, J. O et al.Analyst (London. 1877. Print). 1986, Vol 111, Num 7, pp 831-835, issn 0003-2654Article

Differential-pulse adsorptive stripping voltammetry of food and cosmetic synthetic colouring matters and their determination and partial identification in tablet coatings and cosmeticsFOGG, A. G; BARROS, A. A; CABRAL, J. O et al.Analyst (London. 1877. Print). 1986, Vol 111, Num 7, pp 831-835, issn 0003-2654Article

The impact of the physiological condition of the pitching yeast on beer flavour stability: an industrial approachGUIDO, L. F; RODRIGUES, P. G; RODRIGUES, J. A et al.Food chemistry. 2004, Vol 87, Num 2, pp 187-193, issn 0308-8146, 7 p.Article

Simultaneous determination of E-2-nonenal and β-damascenone in beer by reversed-phase liquid chromatography with UV detectionGUIDO, L. F; CARNEIRO, J. R; SANTOS, J. R et al.Journal of chromatography. 2004, Vol 1032, Num 1-2, pp 17-22, issn 0021-9673, 6 p.Conference Paper

Determination of aniline by adsorptive stripping voltammetry using an improved diazotization and coupling procedure : application to the evaluation of the light degradation of D&C Red No. 33 in the presence of ascorbic acidRODRIGUES, J. A; BARROS, A. A.Talanta (Oxford). 1995, Vol 42, Num 7, pp 915-920, issn 0039-9140Article

Evaluation of the nutritional status of 1st-year school children in Campinas, BrazilBARROS, A. A; BARROS, M. B. A; MAUDE, G. H et al.Annals of tropical paediatrics. 1990, Vol 10, Num 1, pp 75-84, issn 0272-4936, 10 p.Article

Use of gelatin in the differential-pulse polarographic determination and identification of synthetic colouring matters in drugs and cosmeticsBARROS, A. A; CABRAL, J. O; FOGG, A. G et al.Analyst (London. 1877. Print). 1988, Vol 113, Num 6, pp 853-858, issn 0003-2654Article

Thermal fluid dynamics analysis of gas-liquid flow on a distillation sieve trayNORILER, D; MEIER, H. F; BARROS, A. A. C et al.Chemical engineering journal (1996). 2008, Vol 136, Num 2-3, pp 133-143, issn 1385-8947, 11 p.Article

Biofuels from waste fish oil pyrolysis: Continuous production in a pilot plantWIGGERS, V. R; WISNIEWSKI, A; MADUREIRA, L. A. S et al.Fuel (Guildford). 2009, Vol 88, Num 11, pp 2135-2141, issn 0016-2361, 7 p.Article

Biofuels from continuous fast pyrolysis of soybean oil: A pilot plant studyWIGGERS, V. R; MEIER, H. F; WISNIEWSKI, A et al.Bioresource technology. 2009, Vol 100, Num 24, pp 6570-6577, issn 0960-8524, 8 p.Article

Biofuels from waste fish oil pyrolysis: Chemical compositionWISNIEWSKI, A; WIGGERS, V. R; SIMIONATTO, E. L et al.Fuel (Guildford). 2010, Vol 89, Num 3, pp 563-568, issn 0016-2361, 6 p.Article

Development of a software for simulating separation processes using a nonequilibrium stage modelPESCARINI, M. H; BARROS, A. A. C; WOLF-MACIEL, M. R et al.Computers & chemical engineering. 1996, Vol 20, pp S279-S284, issn 0098-1354, SUPAConference Paper

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