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Chemical reagent
Ammonium chloride

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

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 standardGB 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.


Product categories
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