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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 | White Powder | |
| Assay | > 99.0 | |
| Loss on Drying | =<9.5% | |
| Acidity and Alkalinity | =< 0.1% | |
| PH (10%Solution ) | 7.0-9.0 | |
| Insoluble in Water | =< 0.15% | |
| Heavy Metals (as Pb) | =< 10 ppm | |
| Arsenic (as As) | =< 4 ppm | |
| Lead | =< 2 ppm | |
| Mercury | =< 1 ppm | |
| Iron | =< 5 ppm | |
| Fluoride | =<3 ppm | |
| Magnesium | =<0.4% | |
