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
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