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+86-13971029269
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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 |
| Loss on drying(%) | 11.5 - 12.5 |
| Residue on ignition(%) | 0.1 Max |
| Heavy Metals(ppm) | 10.0 Max |
| As(ppm) | 1.0 Max |
| Fe(ppm) | 10.0 Max |
| pH | 4.4 - 6.4 |
| State of solution(%) | 98.0 Min |
| Cl(%) | 0.02 Max |
| NH4(%) | 0.1 Max |
| SO4(%) | 0.02 Max |
