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In the solution of PH = 8-10, it can control the amount of Fe3 + and can be used in strong acid solution.Product IdentificationSynonyms name:Glycine,N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)-, trisodium saltCAS No:139-89-9Molecular Weight:344.20Chemical Formula:C10H15N2O7•3NaTEST ITEMLIMTAPPEARANCELight yellow transparent liquid??  5% ?-?  25°C11.5-12.5Purity(as 344.2) %=39.0%Heavy metals (as Pb) %=0.001Sulfate, %=0.05Cl, %=0.01Keywords:Liquid HEDTA 3Na; Fe3 +; strong acid solution.Baoding Kaiyue Chemical Co.,LTDTel:+86 03123220379Fax:+86 03133289655Copyright © 2016 Kaiyuechem Lt