Item

Specifications

Description

White crystal odorless,

Identification

tasteless granules or powder

Loss on drying

meets the requirements

Heavy metals

≤0.002%

Chloride

≤0.07%

Sulphate

≤0.05%

Arseinc

≤3ppm

Reducing substances

≤1.0%

Organic impurities
And boric acid

meets the requirements

Assay

98.5~102.0%