Item Standard
1 (C6H14N2O2) HCL(DRY BASIS) ≥98.5﹪
2 Rotation〔a〕D20: +18°~+21.5 °c
3 Lossing on Drying: ≦1.0﹪
4 Burn Residue: ≦0.3%
5 Ammonium Salt(AS NH4+): ≦0.04%
6 Heavy Metals(AS Pb): ≦30mg/kg
7 Aresenic (AS): ≦2.0mg/kg