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| sodium sulphide |
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| sodium sulphide |
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| used in dye, printing, dyeing, papermaking, metallurgy and mine, also used in Na2CO3 and Na2S2O3 |
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anhydrous sodium sulphate sodium carbonate sodium sulphide
sodium sulphide
Quality standard :
T ype Granular sodium sulphide Yellow flaky sodium sulphide
Na2S ≥60 ≥60
Water insoluble matter ≤0.4 ≤0.4
Fe(Fe) ≤0.003 ≤0.005
Na2CO3 ≤1.5 ≤1.5
Na2SO3 ≤2.0 ≤2.0
Na2S2O3 ≤2.0 ≤2.0
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