Item

Specifications

Appearance

white crystanlline powder

pH value

5.0～6.0

Chloride content(CI)

19.0%-19.6%

Heavy metals( Pb)

≤0.001%

Specific rotation

+20.4~+21.4°

Loss on drying

≤0.4%

Residue on ignition,

≤0.1%

Sulfate(SO4-2)

≤0.03%

Iron (Fe)

≤0.003%

Assay

98.5%~101.5%

Organic volatile impurities

Meet the requirement