Items

Standard

Analysis data

Appearance

White powder

conforms

Specific Rotation [20/D]

(C=4 in methanol)

-22.0 to -26.0°

-24.0°

State of Solution (Transmittance)

Not less than 98.0%

98.2%

Heavy Metals (Pb)

Not more than 20 PPM

6ppm

Iron (Fe)

Not more than 10ppm

8ppm

Arsenic (As2O3)

Not more than 2 PPM

<2ppm

Chloride (Cl)

Not more than 0.020%

0.018%

Loss on Drying

Not more than 0.35%

0.18%

Residue on Ignition

Not more than 0.2%

0.09%

Assay

98.0% to 102.0%

99.0%