Product No. | Product name | specifications |
1.14339.020 | Ethylenediamine tetraacetic acid | AR250g |
1.14339.030 | Ethylenediamine tetraacetic acid | CP250g |
1.14339.040 | Ethylenediamine tetraacetic acid | CP25kg |
1.14339.060 | Ethylenediamine tetraacetic acid | AR25kg |
Item | AR | CP |
Assay | ≥99.5% | ≥98.5% |
Solubility in sodium carbonate | ||
solution | Pass | Pass |
Residue on ignition(as SO4) | ≤0.1% | ≤0.3% |
Chloride(Cl) | ≤0.05% | ≤0.1% |
Sulfate(SO4) | ≤0.05% | ≤0.1% |
Iron(Fe) | ≤0.001% | ≤0.001% |
Heavy metals(as Pb) | ≤0.001% | ≤0.001% |