Items

Specification

Appearance:

White or almost white crystalline powder

Identification:

Positive reaction

Acidity of alkalinity:

6.8 -7.6

Clarity of solution:

Clarity

Color of solution:

Not more than solution Y7 or GY7

Heavy metals:

Not more than 20ppm

Chloride:

Not more than 20ppm

Sulfate ash:

Not more than 0.1%

Loss on drying:

Not more than 1.0%

Assay (on drying basis) :

98.0 - 102.0%