Appearance : white to light yellow powder



Tast/oder : no strong oders



Assay by cpc on dry basis : 95% min



Specifie rotation : -20----30



PH : 5.5---7.5



Tap density : 0.65-0.72g/ml



Mesh : 100% pass 80mesh



Solubility : soluble 5% water solution be clear



Sulfate : 0.24% max



Loss on dry : 10% max



Residue on lgnition : 20% --30%



Chloride : 5000 ppm max



Arsenic : 2ppm max



Protein : 4.5% max



Heavey metals : 10ppm max



Total plate count : 1000cfu/g max



Yeast & mold : 100 cfu/g



Salmonella : negative



e.coli : negative