Item

Industry grade

standard

11119

result

Apperance

Indentification

Assay ,%

Loss on dry ,%

Reducing

substances, %

PH

Sulfate ,%

Chloride ,%

Pb ,ppm

Arsenic salt ,

ppm

Heavy metals ,

ppm     

White or yellowish

crystal powders

in accordance with

standard

98.00 min

0.50 max

0.70 max

6.2 ~ 7.8

0.02 max

0.02 max

2 max

2 max

10 max

White or yellowish

crystal powders

in accordance with

standard

99.70

0.05

0.1max

7.14

0.005 max

0.003 max

1max

0.1max

5max

Item

food grade

standard

30223

result

Apperance

Indentification

Assay ,%

Loss on dry ,%

Reducing

substances, %

PH

Sulfate ,%

Chloride ,%

Pb ,ppm

Arsenic salt ,

ppm

Heavy metals ,

ppm     

White crystal powders

in accordance with

standard

98.0-102.0 min

0.30 max

0.50 max

6.2 ~ 7.8

0.02 max

0.02 max

1 max

2 max

10 max

White crystal powders

in accordance with

standard

99.72

0.06

0.05 max

7.04

0.003 max

0.003 max

1 max

0.1 max

3 max