Specifications: 1) Appearance: white crystal 2) Solubility: a) Water: high b) Alcohol: low c) Ether, chloroform and other organic solvents: insoluble 3) Taste: sweet 4) Shows neutral reaction to litmus 5) Specific rotation: 52.0 - 53.5° 6) Acidity: 1.2ml (max.) 7) Chloride: 200ppm (max.) 8) Sulfate: 200ppm (max.) 9) Loss on drying: 9.0% (max.) 10) Heavy metal: 20ppm (max.) 11) Iron: 20ppm (max.) 12) Arsenic: 2ppm (max.) 13) Color dot: 100/50g