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SODIUM SULPHYDRATE FLAKES
COMMODITY SODIUM SULPHYDRATE
NaHS 70% MIN.
Na2S 1.5% max.
Na2SO3 1.5% max.
Iron (Fe) 30ppm max.
Na2CO3 1.0% max.
Insoluble in Water 0.005% max.
Appearance Yellowish Flake