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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 |
| Appearance | Murrey Powder |
| Light Absorbt 10 E 1%1CM (495±10nm) >= % | 100 |
| PH =< | 3.5 |
| Loss on Drying =< % | 6.0 |
| Ash Content =< % | 7.4 |
| Acid Soluble Substance =< % | 0.5 |
| Lead (As Pb) =<mg/kg | 10 |
| Arsenic =< mg/kg | 5 |
| Mercury =< ppmMERCURY | 1 |
| Zinc =< ppm | 50 |
| Cadimum =< ppm | 1 |
| Coliform Bacteria =< mpn/100g | 30 |
| Pathogenic bacteria | Not Allowed |
