Molecular Formula: NH4Cl, relative molecular
weight:53.49(according to international relative atomic mass of
1996)
Properties: Colorless or white cubic crystal, bitter. Easily
soluble in water, soluble in liquid ammonia, slightly soluble in alcohol, insoluble
in acetone and ether.
Uses: Mainly used as a dye fixative, an additive in electrobaths,
a solvent for metallic bonds. Also used in applications with tin
and zinc, and in medicine.
Standard:
Ammonium chloride of technical grade:
|
Inspection item
|
Unit
|
First Grade
|
Qualified products
|
| Ammonium choride(base on dry basis) |
%
 |
99.5
|
99.0
|
| Water content |
%
 |
0.7
|
1.00
|
| Ferrum |
%
|
0.001
|
0.003
|
| Residue on ignition |
%
|
0.40
|
0.40
|
| Heavy metal(base on Pb) |
%
|
0.0005
|
0.001
|
| Sulfate |
%
|
0.02
|
|
PH value(200g/l liquor, temperature:
25 ) |
|
4.0-5.8
|
4.0-5.8
|
Ammonium chloride of agricultural grade:
|
Inspection item
|
Unit
|
Dry basis
|
Wet basis
|
|
Nitrogen content
|
%
|
22.5%
|
22.5%
|
|
Water content
|
%
|
1.00%
|
6.00%
|
