Standard

Typical measured values

Identification

IR, NMR

pass

Appearance

White crystals or crystalline powder

pass

Assay (TLC)

≥99

≥ 99

Water

≤0.5%

0.12%

Residue on ignition

≤0.5%

0.08%

Heavy metal

≤10ppm

≤10ppm

As

≤2ppm

≤10ppm

Packaging

25KG/drum