Sodium Hydrosulphide

FOB Price: USD 27 - 27
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Content Sodium hydrosulphide 70(%) Batch NO.   16132 Quality standard National standard CAS No.  16721-80-5 Items Standards Result NaHS              ≥ 70.0% 70.56% Na2S%           ≤ 2.50 % 1.33% Na2SO3%         ≤ 1.0 % 0.91% Fe%             ≤      0.002% 0.001% Na2CO3           ≤ 2.0 % 0.53 % Water insoluble%   ≤ 0.2% 0.05% Conclusion (QUALIFIED)