Specifications: Description : Colorless and odorless crystal or white powder with sweet taste Specific Rotation : 52.0-53.5 Acidity : 0.2ml max Choride : 30ppm max Sulfate : 30ppm max Alcohol-Insoluble starch(mg): Less than 0.5 cloudiness standard pipe Sulfite and Dissoluble : yellow Loss on Drying : 9.1% max Residue on lgintion : 0.1% max Molysite : 5ppm max Heavy Metals : 4ppm max Arsenic : 1ppm max Pathogenic bacteria : not exist(unit/g) Amount of Mold : 80unit/g max Amount of Bacteria : 800unit/g max Colour : 1ml max Spot : 40 unit/50g max