Chemistry:Ethylenediaminetriacetic acid
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| Other names
H3ed3a
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| Properties | |
| C8H14N2O6 | |
| Molar mass | 234.208 g·mol−1 |
| Appearance | white solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Tracking categories (test):
Ethylenediaminetriacetic acid is an organic compound with the formula HO
2CCH
2N(H)CH
2CH
2N(CH
2CO
2H)
2. It is a chelating agent of the aminopolycarboxylate class, related to ethylenediaminetetraacetic acid and the ethylenediaminediacetic acids. Its trianionic conjugate base functions as a pentadentate ligand. The material is of interest because it is a product of the degradation of metal-edta complexes.[1][2] The ligand can be modified at the secondary amine for immobilization.[3]
The ligand can be prepared analogously to edta or the titanium-edta complex can be degraded selectively.[4]
References
- ↑ Xu, Zhe; Shan, Chao; Xie, Bihuang; Liu, Yan; Pan, Bingcai (2017). "Decomplexation of Cu(II)-EDTA by UV/Persulfate and UV/H2O2: Efficiency and mechanism". Applied Catalysis B: Environmental 200: 439–447. doi:10.1016/j.apcatb.2016.07.023.
- ↑ Zhao, Zilong; Liu, Zekun; Wang, Hongjie; Dong, Wenyi; Wang, Wei (2018). "Sequential application of Fenton and ozone-based oxidation process for the abatement of Ni-EDTA containing nickel plating effluents". Chemosphere 202: 238–245. doi:10.1016/j.chemosphere.2018.03.090. PMID 29571144. Bibcode: 2018Chmsp.202..238Z.
- ↑ Sohrin, Yoshiki; Urushihara, Shouhei; Nakatsuka, Seiji; Kono, Tomohiro; Higo, Eri; Minami, Tomoharu; Norisuye, Kazuhiro; Umetani, Shigeo (2008). "Multielemental Determination of GEOTRACES Key Trace Metals in Seawater by ICPMS after Preconcentration Using an Ethylenediaminetriacetic Acid Chelating Resin". Analytical Chemistry 80 (16): 6267–6273. doi:10.1021/ac800500f. PMID 18646776.
- ↑ Zhou, Zhao-Hui; Deng, Yuan-Fu; Liu, Qiong-Xin; Zhang, Hua-Lin; Mak, Thomas C. W.; Chow, Yuan L. (2007). "Selective Ligand Conversion of Ethylenediamine Tetraacetate to Its Triacetate on Peroxotitanate(IV)". Inorganic Chemistry 46 (17): 6846–6848. doi:10.1021/ic701256e. PMID 17645332.
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