Product name
Ammonium chloride
Specification
Reagent grade
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
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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:GB 6549-2011
Test items |
Specification |
|
AR grade |
CP grade |
|
Appearance |
White crystal powder |
White crystal powder |
Assay |
≥99.5% |
≥98.5% |
pH |
4.5~5.5 |
4.5~5.5 |
Appearance of solution |
Conform |
Conform |
Water insoluble |
≤0.005% |
≤0.01% |
Residue on ignition |
≤0.02% |
≤0.05% |
Sulfate |
≤0.005% |
≤0.005% |
Phosphate |
≤0.0005% |
≤0.001% |
Sodium |
≤0.005% |
- |
Magnesium |
≤0.001% |
≤0.002% |
Potassium |
≤0.005% |
- |
Calcium |
≤0.001% |
≤0.002% |
Iron |
≤0.0005% |
≤0.001% |
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.