Color measurements in the determination of dissociation constants of analytical organic reagentsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A colorimetric technique is suggested for determining dissociation constants. The dissociation constants of 4-(2-pyridylazo)resorcinol, 4-(2-thiazolylazo)resorcinol, and 1-(2-pyridylazo)-2-naphthol in solutions have been determined. It is demonstrated that the dissociation constants of 4-(2-thiazolylazo)resorcinol can be determined in the phase of sorbents: Silokhrom S-120 silica matrix and AV-17x8 anion exchanger.