JPC

Details

Appearance

white crystalline powder

white crystalline powder

M.P.

194~198°C

194~198°C

Assay

100±1%

100±2%

pH-value

2.0~2.5(5% aqueous solution)

2.0~2.5(5% aqueous solution)

Drying Loss

≤0.5%

≤0.5%

Residue on ignition

≤0.2%

≤0.5%

Ammonium ion

≤0.01%

≤0.5%

Heavy metal

≤20ppm

≤20ppm

Arsenic

≤1ppm

≤2ppm