- sulfur black
- noun
Usage: often capitalized S&B: any of several black sulfur dyes; especially : one made from 2,4-dinitrophenol — see dye table I (especially under Sulfur Black 1)
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Sulfur dye — Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. They are cheap, generally have good wash fastness and are easy to apply. The dyes are absorbed by cotton from a bath containing sodium sulfide or sodium… … Wikipedia
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Black powder substitute — A black powder substitute is a replacement for black powder used in muzzleloading and cartridge firearms. Black powder substitutes offer a number of advantages over black powder, primarily including reduced sensitivity, reduced fouling, and… … Wikipedia