Appearance: White to off-white, practically crystallinepowder.

Assay: 98-102%

Partical size: Min.95% pass through 100mesh

Specific rotation: 84.4- 87.5%

Loss on drying: Max. 0.5%

PH(10% water solution): 5-8

Residue on Ignition: Max. 0.7%

Methanol: Max. 0.7%

Heavy metals: Max. 10ppm

Lead(Pb): Max. 3ppm

Arsenic: Max.2ppm

Triphenylphosphin Oxide: Meet passes test

Related substances: Meet passes test

Total plate count: Max. 1000cfu/g

Yeast and mould: Max.100cfu/g

Coliforms:Negative/25g

Salmonella: Negative/25g

packing:5kg/drum,10kg/drum or 20kg/drum