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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 |
| Appearance | White, odorless, hygroscopic powder |
| Assay (Dry Basis, %) | 99.0-101.0 |
| pH (1% Solution, 25℃) | 8.0- 9.5 |
| Loss on Drying (120℃, 4 Hours, %) | =< 1.0 |
| Insoluble Matter (%) | =< 0.05 |
| Alkalinity (as NaOH, %) | =< 0.2 |
| Chlorides (Cl, %) | =< 0.035 |
| Formic acid, formates and other oxidizable (as formic acid) | =< 1,000 mg/kg |
| Phosphate (PO4) | =< 10 mg/ kg |
| Sulphate (SO4) | =< 50 mg/ kg |
| Iron (Fe) | =< 10 mg/ kg |
| Arsenic (As) | =< 3 mg/ kg |
| Lead (Pb) | =< 5 mg/ kg |
| Mercury | =< 1 mg/ kg |
| Heavy Metal (as Pb) | =< 10 mg/ kg |
| Potassium Salt (%) | =< 0.025 |
