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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 crystalline powder |
Identification | Pass test |
Assay (C10H14N2Na2O8.2H2O) | 99.0% ~ 101.0% |
Chloride (Cl) | =< 0.01% |
Sulphate (SO4) | =< 0.1% |
pH (1%) | 4.0- 5.0 |
Nitrilotriacetic acid | =< 0.1% |
Calcium (Ca) | Negative |
Ferrum (Fe) | =< 10 mg/kg |
Lead (Pb) | =< 5 mg/kg |
Arsenic (As) | =< 3 mg/kg |
Mercury (Hg) | =< 1 mg/kg |
Heavy metals (as Pb) | =< 10 mg/kg |
