Ammonium sulfate

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Ammonium sulfate
Posting date : Feb 17, 2013
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28-
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Chemical name: Ammonium sulfate Specification:GB535-83 Molecular formula:(NH4)2SO4 Relative molecular weight:132.13 Property: white or off-white granule,soluble in water,solution is acidic,Insoluble in alcohol, acetone and ammonia. Release of ammonia when mixed with alkali and easy deliquescence. Use:Chemical industry as hydrogen peroxide, ammonium alum and ammonium chloride production as raw materials, welding industry as a welding flux, the textile industry as a fire retardant fabric. Plating bath additives for the electroplating industry. Packing:lined with plastic bag and exterior is woven bag,net weight of each bag:25kg,50kg,1000kg. Quality standard: Item Industrial grade Nitrogen (N) content (dry basis) % ≥ 21.0 Moisture(H2O) % ≥ 0.5 Free acid(H2SO4) % ≥ 0.08 Iron(Fe) % ≥ 0.007 Arsenic(As) % ≥ 0.00005 Heavy metal(Pb) % ≥ 0.005 Water insoluble % ≥ 0.05 Item Agricultural products Agricultural dry grade agricultural wet grade Nitrogen (N) content (dry basis) % ≥ 21.0 20.8 Water content(H2O) % ≤ 0.5 1.0 Free acid(H2SO4) % ≤ 0.08 0.20

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