Items

Specification

Appearance:

A white or almost white crystalline powder

Identification:

Positive

Clarity and color of solution:

Not more than BY5; Clear

Melting point:

Heavy metals:

Chloride:

Sulfate:

Not more than 20ppm

Not more than 140ppm

Not more than 380ppm

Silver-reducing substances:

4.80-5.00ml

Related substance:

Not more than 1%

Loss on drying:

Not more than 0.5%

Sulfated ash:

Not more than 0.1%

Ash:

Not more than 1%

Assay:

98.5-101.0%

Particle size:

100% Pass 60 mesh sieve