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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
| ITEMS | STANDARD |
| Appearance | White crystalline powder |
| Purity | 99.5% min |
| Melting point | 287 ℃ min |
| Heavy metals( as Pb) | 10 ppm max |
| Residue on ignition | 0.1% max |
| Arsenic(as As) | 3 ppm max |
| Loss on drying | 0.5% max |
| Maleic Acid | 0.1% max |
