|
Product name |
Ammonium chloride |
|
Specification |
Pharmaceutical grade (USP,BP,EP,CP) |
|
Molecular formula |
NH4Cl |
|
CAS |
12125-02-9 |
|
H.S. CODE |
2827109000 |
|
Molecular weight |
53.49 |
|
Appearance |
White crystal powder |
|
Package |
25KG woven bags or fiber drums |
Properties：
Colorless crystalline or white crystalloid powder. 337.8 1.53, relative density ℃ sublimation and decomposed into ammonia and hydrogen. Easily soluble in water, soluble in alcohol.
Application：
Analytics reagents, such as configuration ammonia chloride buffer solution. - as the supporting electrolyte electrochemical analysis. Used for emission spectrometry with arc stabilizer. Atomic absorption spectrometry with interference inhibitors.
Test standard：
|
Test items |
Specification |
||
|
BP2015 |
USP35 |
CP2015 |
|
|
Apperance |
White crystal powder |
White crystal powder |
White crystal powder |
|
Assay |
99.5~100.5% |
99.5~100.5% |
≥99.5% |
|
Apperance of solution |
Conform |
|
|
|
Acidity and alkaline |
Conform |
4.6~6.0 |
4.0~6.0 |
|
Bromide and iodide |
Conform |
|
|
|
Barium |
|
|
Conform |
|
Sulfate |
≤0.015% |
|
|
|
Loss on dry |
≤1.0% |
≤0.5% |
≤0.5% |
|
Sulphated ash |
≤0.1% |
|
|
|
Arsenic |
|
|
≤0.0005% |
|
Calcium |
≤0.02% |
|
|
|
Iron |
≤0.002% |
|
≤0.005% |
|
Heavy metals |
≤0.001% |
≤0.001% |
≤0.001% |
|
Residue on ignition |
|
≤0.1% |
≤0.1% |
|
Thiocyanate |
|
Conform |
|
Storage：
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
