Items

Standard

Analysis data

Appearance

white crystals or crystalline powder

Conforms

Specific Rotation

-14.5o- -15.5o

-14.80o

Assay

99.0%-101.0%

99.80%

Transmittance

≥95 %

99.2 %

Loss on drying

≤0.20%

0.10%

Residue on Ignition

≤0.10%

0.09%

Arsenic(AS2O3)

≤1ppm

＜1 ppm

Heavy Metals(Pb)

≤10ppm

＜10ppm

PH

5.2-6.2

5.82

Chloride ( Cl)

≤0.02%

＜0.02%

Sulfate (SO4)

≤0.02%

＜0.02%

Iron( Fe)

≤10ppm

＜10ppm

Ammonium(NH4)

≤0.02%

＜0.02%