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Sodium 2,2',2'',2'''-(1,2-ethanediyldinitrilo)tetraacetate hydrate (4:1:4) Ethylenediaminetetraacetic acid tetrasodium salt CAS:13235-36-4
Name: Sodium 2,2',2'',2'''-(1,2-ethanediyldinitrilo)tetraacetate hydrate (4:1:4)
CAS:13235-36-4
MF: C10H12N2Na4O8
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, 25℃) |
10.5-11.5 |
Nitrilotriacetic acid (NTA) |
1.0% max |
Chelation value |
220mgCaCO3/g min |
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