Characters

White powder

Assay (Anhydrous basis)

99.0%-100.5%

Alkalinity

0.2

Chlorie

<50 ppm

Sulphate

<150 ppm

Readily carbonisable substances

Meets USP 29

Oxalat

<300 ppm

Heavy metals

<10 ppm

Loss on drying

<0.3%

Sodium

<0.3%