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連絡先担当者 Mr. jinlang
No. 13 Of East Lane 1, Beijing Middle Road, Hi-tech Zone, Xinshi, Urumqi, Xinjiang, China, Urumqi, Xinjiang Uygur
| Testing Items | monohydrate | heptahydrate | |||
| Appearance | 　 | White powder | *- | ||
| Zinc Sulphate content % | ≥ | *6.*9 | *9 | ||
| Zn % | ≥ | *5 | *2.*1 | ||
| Pb % | ≤ | 0.**1 | 0.**1 | ||
| As % | ≤ | 0.***5 | *- | ||
| Cd % | ≤ | 0.**1 | 0.**1 | ||
| Fineness *0~*0 mesh % | ≥ | *5 | *- | ||
| Water insoluble matter % | ≤ | *- | 0.*2 | ||
| PH % | ≥ | *- | 3 | ||
| Fe % | ≤ | *- | 0.**3 | ||
| Mn % | ≤ | *- | 0.**5 | ||
| Packaging: *5kg Weaving. | |||||
