Items

Specifications

Identity

To pass test

Appearance

White to off white powder

Solubility(10% solution)

Clear to light yellow solution

O.D.(10% solution at 510nm)

≤0.05

Loss on drying

≤7%

PH(10% solution)

5.0-7.0

Sulphur

16.0%-20.0%

Free Sulphur

≤0.2%

Chloride

≤0.1%