Items

Specification

Appearance:

A white or almost white crystalline powder

Identification;

Confirms to reference spectrum

Loss on drying:

Not more than 0.5%

Arsenic:

Not more than 1ppm

Cadmium:

Not more than 1ppm

Lead:

Not more than 1ppm

Mercury:

Not more than 1ppm

Heavy metals:

Not more than 10ppm

Isothiocyanate:

None

Melting point:

90-94 Celsius degree

Assay(by HPLC):

Not less than 99%