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Spectrophotometric determination of carbon dioxide and sulphur dioxide in wines...
Atanassov, G.T.; Lima, R.C.; Mesquita, R.B.R.; Rangel, A.O.S.S.; Tóth, I.V.Flow injection analysis (FIA) methods for the spectrophotometric determination of CO2 and SO2 in wines are described. The determination of CO2 is based on the colour change of a low capacity buffer (containing an acid-base indicator) due to the dissolved carbon dioxide. The determination of SO2 is based on the decoloration of malachite green by sulphur dioxide. Two FIA manifolds are presented; one for the deter...
Data: 2000
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Origem: Veritati - Repositório Institucional da Universidade Católica Portuguesa
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