2002
DOI: 10.1590/s0100-46702002000100005
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Determinação espectrofotométrica por injeção em fluxo de compostos fenólicos em águas residuárias empregando peroxidase de abobrinha (Cucurbita pepo)

Abstract: Empregou-se nesse trabalho alguns vegetais como fonte de peroxidase. Após a determinação de proteína total, atividade e atividade específica, selecionou-se o extrato bruto da abobrinha (Cucurbita pepo) como fonte dessa enzima para ser empregado em um sistema de análise por injeção em fluxo com detecção espectrofotométrica para a determinação de diversos compostos fenólicos (e.g. fenol, catecol, 2,4-diclorofenol, 4-cloro-3-metilfenol, 4-acetamidofenol, 4-clorofenol, 2,4,6-triclorofenol, o-cresol, m-cresol, p-cr… Show more

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“…17,18 The methods employing flow analysis have been successfully applied to the phenolic compound determination in water samples, coupled to electrochemical detectors 19,20 and mainly to spectrophotometric detectors. 2,[13][14][15][21][22][23][24][25][26][27][28][29] These works are related to water analysis, and until this moment, only the one from Zhi et al 23 deals with the quantification of phenolic species in soil extracts by spectrophotometry coupled to flow system.…”
Section: Introductionmentioning
confidence: 99%
“…17,18 The methods employing flow analysis have been successfully applied to the phenolic compound determination in water samples, coupled to electrochemical detectors 19,20 and mainly to spectrophotometric detectors. 2,[13][14][15][21][22][23][24][25][26][27][28][29] These works are related to water analysis, and until this moment, only the one from Zhi et al 23 deals with the quantification of phenolic species in soil extracts by spectrophotometry coupled to flow system.…”
Section: Introductionmentioning
confidence: 99%