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TEL：0086-27-82288353
+86-13971029269
FAX：0086-27-82288295
Email: whcz_78@163.net
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 |
| Color and shape | White crystalline powder |
| Purity | > 99.0 % |
| Melting point | 160-164 ℃ |
| Water | < 0.5% |
| Residue on ignition % | 0.2 % |
| Heavy metals (as Pb) | < 10 PPM |
| Lead | < 10 PPM |
| Arsenic | < 3 PPM |
| Cadmium | < 1 PPM |
| Mercury | < 1 PPM |
