ITEMS

STANDARD

GB 1886 183-2016

Appearance

White crystal or crystalline powder

Assay

99.5%

Readily Oxidizable Substances

Passed

Readily Carbonizable Substance

Passed

Heavy Metals(In terms of Lead)

10ppm Max

Loss on drying

0.5% Max

Chloride, as Cl

0.014% Max

Residue on Ignition

0.05% Max

Phthalic acid

100ppm Max

Biphenyl series

100ppm Max