Abstract
Tungstate and molybdate ions complex with 1,2-dihydroxyphenols and with α-hydroxycarboxyl acids. The formation of the former type of complex can be detected by the change in spectrum of the solution of the latter, if optically active organic acids are used, by a marked increase in the optical rotation. Complexes containing both 1,2-dihydroxyphenol and α-hydroxycarboxylic acid ligands with molybdate or tungstate ions have been detected in solution and the stoicheiometry ascertained. The changes in optical rotation and ultra-violet spectra associated with these complexes are discussed.
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