ITEMS

STANDARD

Results

Assay

99.5%Min

99.75%

Moisture

0.1%Max

0.03%

SO4

0.05%Max

< 0.03%

NH3

200ppm Max

<125ppm

Fe

10ppm Max

<10ppm

Heavy metal(pb)

10ppm max

<10ppm

PH Value(1%)

1.0-1.4

1.2

Insoluble water

0.02% max

0.01%

Appearance

White crystalline

White crystalline