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Updated: July 8, 2026
Naphthol Yellow is of course a naphthol colour, whilst Vermilline Scarlet is a dye containing both naphthylamine and naphthol. You see the quantities of these dyes, namely 7 lb. of Scarlet and 9-1/2 lb. of the Naphthol Yellow. The amount of pure anthracene obtained is 1/2 lb.
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