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FAST BLACK K SALT CAS27766-47-8Mainly used with black salt G, according to the proportion of 40:60 spell hybrid black salt ANS. Color black, easy to use, but its stability is not good, easy to produce a knife fabric printing.
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MALACHITE GREEN CAS2437-29-8Can be used as a biological stain, dye cell or tissue blue-green, convenient to study under a microscope. Is also used as a dye silk, leather and paper.