“blue b”

The following 3 entries include the term blue b.

Delphine Blue B

noun

: a blue oxazine mordant dye

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Indigo Blue B

noun

: a blue indigoid vat dye

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Victoria Pure Blue B

noun

: a Victoria blue dye made from the ethyl analogue of Michler's ketone and N-ethylalpha-naphthylamine

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