Inspection items  

Inspection standard

Characteristics

Colorless crystals or a white, crystalline powder

Identification

Conforming with the test

Clarity and colour of solution

Conforming with the test

Acidily or Alkalinity

Conforming with the test

% (Water)

11.0-13.0

%(Content)

99.0-100.5

Readily Carbonizable Substances)

Not deeper in the standard)

%(Chloride)

≤0.005                      

%(Sulfate)

≤0.015                       

%(Oxalates)

≤0.01                       

ppm(Heavy metal)

≤10                          

mg/kg(Arsenic)

≤1                         

mg/kg(Lead)

≤2                           

mg/kg(Mercury)

≤1                         

PH Value

7.5-9.0                          

Tartrate

Conforming with the test      

J/mg(Pyrogens)

Conforming with the test