China EDTA 4na Ethylene-Diamino-Tetra-Acetic-Acid-Tetra-Sodiumsalt CAS Number 64-02-8, Find details about China EDTA 4na, Ethylene-Diamino-Tetra-Acetic-Acid from EDTA 4na Ethylene-Diamino-Tetra-Acetic-Acid-Tetra-Sodiumsalt CAS Number 64-02-8
Test Items | Standard |
Appearance | White crystalline powder |
Content (as 452.2) | 99.0% min |
Pb | 0.001% max |
Fe | 0.001% max |
Chloride (Cl-) | 0.01% max |
Sulphate (SO42-) | 0.05% max |
PH (1%aq.solution, 25ºC) | 10.5-11.5 |
Nitrilotriacetic acid (NTA) | 1.0% max |
Chelation value | 220mgCaCO3/g max |