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+86-13971029269
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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
| ITEMS | STANDARD |
| Appearance | A white or almost white, crystalline powder or colourless crystals. |
| Solubility | Freely soluble in water,practically insoluble in alcohol. |
| Identification test (A,B) | Up to the STANDARD |
| Appearance of solution | Clarity of solution:5% water solution should be clear |
| Colour of solution:5% water solution should be not more intensively coloured than reference solution BY6 | |
| Specific optical rotation | +14.0° to +16.0° |
| Assay | 98.5-101.0% |
| Chlorides | 200ppm max |
| Sulphates | 300ppm max |
| Ammonium | 200ppm max |
| Iron | 10ppm max |
| Heavy metals | 10ppm max |
| Loss on drying | 0.5% max |
| Sulphated ash | 0.1% max |
| Ninhydrin-positive substances (TLC) | Up to the STANDARD |
