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Product
Ammonium Sulphate
    Publish time 2019-07-04 13:25    

Inspection Items
Unit
Superior
First Grade
Regular Grade
Nitrogen
%≥
21.0
21.0
20.5
Sulfur
%≥
23.0
23.0
23.0
Moisture
%≥
0.2
0.3
1.0
Free Sulfuric Acid
%≥
0.03
0.05
0.2
Fe
%≥
0.007


As
%≥
2ppm


Pb
%≥
50ppm


Water-insoluble
%≥
0.01


Appearance
White Crystal, No Impurities