Item

Grade

First Grade

Second Grade

Third Grade

Content %    ≥

99.5

99.5

99

Residue to ignition % ≤

0.02

0.03

0.1

Sulfate % ≤

0.05

0.1

0.2

Heavy metal %  ≤

0.0002

0.0002

0.0005

Chloride %  ≤

0.002

0.03

0.005

Fe %  ≤

0.000015

0.0001

0.0005

PH Value

4~6

4~6

4~6

Packing: In plastic woven bag of 25kg, inside packed with plastic bag.

Uses: Used as catalyst,weed killer,antiseptic and raw material.