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Sodium bisulphide 99%

CAS:7631-90-5

Appearance: white or light yellow crystalline powder

Specification: 

Test Items			Standard
NaHSO3			99%min
As			0.0002%max
Heavy metal(Pb)			0.001%max
Cl			0.15%max
Water insoluble			0.03%max
Fe			0.004%max

Packing: 25kgs plastic woven bag

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