Total sugar content: 99-101%
Xylose Assay (Dry basis): 98.5% min
Heavy metal (as Pb): 5.0 ppm max
Loss on drying: 0.50% max
Ash: 0.05% max
Arsenic (as As): 1.0 ppm max
Specific rotation: +18.5棗+19.5
Melting point: 147C min
Chloride: 10 ppm max
Pentrate light: 90% min
Acidity: 0.20 ml max