Seaerch
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
| ITEM | STANDARD |
| Assay | 76% - 84% |
| Fresh color | Max 100apha |
| Putity %L+ | Min 95 |
| Sulphated ash | Max 0.1% |
| Chloride | Max 0.2% |
| Sulphate | Max 0.25% |
| Iron | Max 10 mg/kg |
| Arsenic | Max 3 mg/kg |
| Lead | Max 5 mg/kg |
| Mercury | Max 1 mg/kg |
| Heavy Metals (as Pb) | Max 10 mg/kg |
