Items

Specification

Appearance:

White to off-white monocline rhombus crystalline,needle crystalline powder.

Identification

Positive

Clarity and color of solution

5ml 1% in NaOH solution is clear and colorless

Chloride

Not more than 0.005%

Sulphate

Not more than 0.025%

Heavy metals (Pb):

Not more than 10ppm

Fe

Not more than 2ppm

Assay :

Not less than 99%

Particle size:

100% not more than 50 µm; Minimum 30% not more than 30µm