Molecular formula:(NH4)2SO4
Specification:
|
Specification |
Units |
Superior product |
First class |
Qualified product |
|
Nitrogen content |
% ≥ |
21 |
21 |
20.5 |
|
Sulfur(as S) |
% ≥ |
23 |
21 |
23 |
|
Moisture |
%≤ |
0.2 |
0.3 |
1 |
|
Free sulfuric acid (H2SO4) |
%≤ |
0.03 |
0.05 |
0.2 |
|
Fe |
%≤ |
0.007 |
– |
– |
|
As |
%≤ |
000005 |
– |
– |
|
Heavy metal |
%≤ |
0.005 |
– |
– |
|
Water-insoluble matters |
%≤ |
0.01 |
– |
– |
Package:25/50/1000/1250kg plastic woven bag or paper bag with PE inner bag. or according to the requirements of customers.
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