Item

Grade

Assay, %wt≥ (dry basis)

99

98

96

51-53
(liquid)

Water insolubles%≤

0.005

0.005

0.01

0.001

Solution appearance(100g/l)

clear

clear

clear

-

Chloride%≤

0.015

0.04

0.06

0.01

Sulphate%≤

0.04

0.05

0.06

0.04

Heavy metal(Pb)%≤

0.001

0.001

0.001

0.0005

Iron %≤

0.0002

0.0002

0.0003

0.0002

Moisture %≤

0.5

1.0

1.0

-

pH-value:

-

-

-

6-8

Packing:

-

-

50kgs/200kgs plastic drum