SPECIFICATION

Appearance

White To Almost White Crystalline Powder

Identification

Conform With Ir Standard

Assay

> 99.0%

Melting Point (0c)

> 335

LOSS ON DRYING (1150C,4h)

< 0.50%

Heavy Metals (As Pb)

< 10 Ppm

Residue On Ignition

< 0.1%

Chloride

< 100 Ppm

Sulfate Ash

< 0.3%

Cas NO :

66-22-8