Description

An Introduction to Diskdium Ethylene Diamine I. Product name:disodium ethylene diamine tetraacetate Alternative mane:EDTA dliskdium, chelating agent III Molecular formula: Molecular weight:**2.*4(in accordance with the ***9"s international relative atomic mass) II. Physicochemical properties: It&#**9;s a white color crystal powder, water-soluble, insoluble in ethamol and ethyl ether, the PH value of water solution is **7. III. Usages: KETA is a kind of key ***** can be used in compelxing metal ion and sdparating ***** also can be used in detergentes, liquid soaps, shanpoos, agricultural chemcal spray agents, developing the colorful sensitive materials, manufacturing bleach fixing bath, water purifying agents, PH regulating agents, and anti-coagulants etc, and it can also be used in the base reagents and sequestering agents ***** analysis. IV. The main technical index: name top-class purity analytical purity chemical purity fixde industrial products photograph class industrial products content *9.5 *9.0 *8.0 *9.0 *8.5 *8.5 PH(*0g/l*5°C) 4~5 4~5 4~5 4~5 4~5 4~5 clarification degree test qualitied qualitied qualitied ***- ***- ***- water-insoluble substance(%) ***- ***- ***- ***- ***- 0.3 chloride(Cl)% 0.**4 0.**5 0.*2 ***- 0.*4 ***- sulfate % 0.*1 0.*2 0.1 ***- ***- ***- amino-triacetate 0.*5 ***- ***- ***- ***- ***- ferric(Fe)% 0.***5 0.**1 0.**5 0.*1 0.**4 ***- copper(Cu)% 0.****5 ***- ***- ***- ***- ***- heavy metal(Pb)% 0.**1 0.**1 0.**5 0.**5 0.**4 ***- granular size ***- ***- ***- *0 ***- ***- implement standards GB/T******8 GB/T******8 GB/T******8 G/*2XJ******8 G/*2XJ******8 G/*2XJ***8