| Product No. | Product name | specifications | 
| 1.01969.010 | Ethylenediamine tetraacetic acid dipotassium?salt hexadrate | AR100g | 
| Item | AR | CP | 
| Assay(C10H14N2O8K2·6H2O) | ≥99% | ≥98.0% | 
| pH value(50g/L solution,25℃) | 4.0-5.0 | 4.0-5.0 | 
| Clarity test of solution | Pass | Pass | 
| Chloride(Cl) | ≤0.002% | ≤0.01% | 
| Sulfate(SO4) | ≤0.01% | ≤0.1% | 
| Iron(Fe) | ≤0.01% | ≤0.005% | 
| Heavy metals(as Pb) | ≤0.001% | ≤0.005% | 




光華科技微信公眾號