|
Inspection item
|
Unit
|
First Grade
|
Regular Grade
|
|
Ammonium chloride(as NH4Cl)
|
% Min
|
99.5
|
99.0
|
|
Moisture
|
% Max
|
0.7
|
1.00
|
|
Iron
|
% Max
|
0.001
|
0.003
|
|
Burnt Loss
|
% Max
|
0.40
|
0.40
|
|
Heavy Metal(As Pb)
|
% Max
|
0.0005
|
0.001
|
|
Sulfate
|
% Max
|
0.02
|
|
|
PH Value C200g/l Solution at 25°C)
|
|
|
|
