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. 1967 Jan;14(1):121-2.
doi: 10.1016/0039-9140(67)80054-7.

Purification des colorants thiaziniques, Azur A, Azur B, Azur C, par une méthode de partage

[Article in French]
R Bonneau  1 , J Faure, J Joussot-Dubien
Affiliations

Purification des colorants thiaziniques, Azur A, Azur B, Azur C, par une méthode de partage

[Article in French]
R Bonneau et al. Talanta. 1967 Jan.

Abstract

Some N-methylated derivatives of thionine have been separated from thionine, Methylene Blue, and each other by solvent extraction into carbon tetrachloride from an aqueous solution buffered to the pH appropriate for each compound. The method can be used to purify the dyes.

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