Nicholson Blue

Description

A water-soluble blue aniline dye. Nicholson blue is the sodium salt of triphenylrosaniline-monosulfonic acid. Discovered in 1862 by Nicholson, it readily forms a permanent blue color on Silk and Wool. Nicholson blue was sometimes mixed with Barwood to form an inexpensive imitation of Indigo.

Nicholson Blue

Description

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Nicholson Blue

Description

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