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ADD.: Rm 1013,BLDG 3,Area C,Hankou City Plaza,Houhu Avenue,Wuhan
地址：武汉市江岸区后湖大道汉口城市广场C区3号楼1013
网址：www.zoyochem.com
| Item | STANDARD |
| Appearance | White crystal powder |
| Purity (HPLC) | >=99.5% |
| Impurity(mg/kg) | =<10 |
| Dark dots( No. /M2) | =<12 |
| Loss on drying | =<0.3% |
| Loss on ignition | =<0.1% |
| Melting point | 154°C-158°C |
| Specific rotation[a]20D | +100°~104° |
| Heavy metals (mg/kg) | =<5 |
| Arsenic (mg/kg) | =<0.5 |
| Chlorine(mg/kg) | =<10 |
| Sulphate (mg/kg) | =<10 |
| Pesticide residue (mg/kg) | =<0.01 |
| Cu聽 (mg/kg) | =<5 |
| SO2 Residue (mg/kg) | =<15 |
| Total plate count(mg/kg) | =<1000cfu/g |
| Coliform | =<30mpn/100g |
| Yeast and mold | =<25cfu/g |
| Salmonella | Undetected |
| Shigella | Undetected |
| Staphylococcus | Undetected |
