molecular formula: NH4Cl
CAS：12125-02-9
Appearance：white crystal powder
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.
Use:
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.
Details:
|
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
Conform |
Conform |
|
Assay [NH4Cl] /% |
≥99.5 |
≥98.5 |
|
Clarify degrees test |
Conform |
Conform |
|
PH |
4.5-5.5 |
4.5-5.5 |
|
Water insoluble/% |
≤0.005 |
≤0.01 |
|
Alexa peace-loving scraps /% |
≤0.02 |
≤0.05 |
|
Sulfate (SO4) /% |
≤0.005 |
≤0.005 |
|
Phosphate (PO4) /% |
≤0.000 5 |
≤0.001 |
|
Sodium (Na) /% |
≤0.005 |
－ |
|
Magnesium (Mg) /% |
≤0.001 |
≤0.002 |
|
Potassium(K) /% |
≤0.005 |
－ |
|
Calcium (Ca) /% |
≤0.001 |
≤0.002 |
|
Iron (Fe)/% |
≤0.0005 |
≤0.001 |
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