Granular Ammonium Sulfate

Products Name:Ammonium Sulphate (Nitrogenous Fertilizer)

Ammonium Sulfate
MF: (NH4)2SO4
MW: 132.13
Property:
It is colorless crystal or white crystalline powder,no smell.It is easily soluble in water,but insoluble in alcohol and acetone. Easy absorption of moisture agglomerate, with strong corrosive and permeability. Has hygroscopic, moisture absorption into pieces after consolidation.It can completely broken down into ammonia and sulphuric acid when heated to 513 °C above. And it release ammonia when it react with alkali. Low poison, stimulating.
Application:
It is used in metallurgy, medicine, leather, wood preservative, textile, plating, ferment, fertilizer.

Specifications:

 Ammonium Sulphate N21% (Industrial premium grade) Pharmaceutical:

Appearance:       

White crystal without visible mechanical impurities

Nitrogen content(N):     

21.0%         min

Water content(H2O):   

0.2%           max

Free acid(H2SO4):       

0.03%         max

Iron(Fe):                 

0.007%       max

Arsenic(As): 

0.00005%   max

Heavy metal(based on Pb):   

0.005%       max

Insoluble substance in water:

0.01%         max

                                             Ammonium Sulphate N21% (Industrial first grade):

Appearance:    

Without visible mechanical impurities

Nitrogen content(N):   21.0% min

Water content(H2O): 0.3%   max

Free acid(H2SO4):0.05% max

                                             Ammonium Sulphate N21% (Agriculture grade):

Appearance: 

Without visible mechanical impurities

Nitrogen content(N):20.5% min

Water content(H2O): 1.0%max

Free acid(H2SO4):0.2%max

                                          Ammonium Sulphate N21% (Industrial premium grade) Pharmaceutical:

Appearance:       

White crystal without visible mechanical impurities

Nitrogen content(N):     21.0%         min

Water content(H2O):   0.2%           max

Free acid(H2SO4):       0.03%         max

Iron(Fe):                 0.007%       max

Arsenic(As): 0.00005%   max

Heavy metal(based on Pb):   0.005%       max

Insoluble substance in water:0.01%         max

                                             Ammonium Sulphate N21% (Industrial first grade):

Appearance:    

Without visible mechanical impurities

Nitrogen content(N):  21.0% min

Water content(H2O): 0.3%   max

Free acid(H2SO4):0.05% max

                                             Ammonium Sulphate N21% (Agriculture grade):

Appearance: 

Without visible mechanical impurities

Nitrogen content(N):20.5% min

Water content(H2O): 1.0%max

Free acid(H2SO4):0.2%max

Product Picture