Photostability enhancement of anionic natural dye by intercalation into hydrotalcite

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Photostability enhancement of anionic natural dye by intercalation into hydrotalcite.

The aim of this study is the improvement of the photostability of several natural anionic dyes, carmine (CM), carthamus yellow (CY), and annatto dye (ANA), by complexation with hydrotalcite. The composite of the dyes and hydrotalcite is prepared by the coprecipitation method. CM is successfully intercalated in the hydrotalcite layer when the amount of introduced CM is large. The photostability ...

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ژورنال

عنوان ژورنال: Journal of Colloid and Interface Science

سال: 2009

ISSN: 0021-9797

DOI: 10.1016/j.jcis.2009.04.065