Index name

Index

Adsorbing force of methylthionine chloride ml

≥12

Adsorbing force of quinine sulfate mg/g

≥120

PH

7

Chloride ≤%

0.10

Sulfate ≤%

0.05

Zinc salts ≤%

0.02

Total Fe ≤%

0.05

Insoluble matter in acid ≤%

1.0

Residue

3

Loss on dry ≤%

10

Uncharring matter

no over standard