Study of complexation tendencies of Cr(III) with polyaminocarboxylic acids
β Scribed by A.C.P. Baptista; J. Felcman
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 65 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0162-0134
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The 13C NMR characteristics of the polyaminocarboxylate ligands EDTA ~(H0,CCH2)2NCHzCHzN(CH,C0,H),I, DTPA [(H02CCH,)zNCH2CH,N(CHzCOzH)CH,CH2N(CHzN(CHzCOzH)z and NTA [N(CH,C0,H)3] and their Tl(II1) complexes are reported. The pH dependence of the 13C shifts of the ligands is helpful in understanding
Ah&act-The electrochermcal preparations of Cr(II)EDTA and related Cr(II) polyammocarboxylate complexes m weakly a&c, aqueous medm are described and their reations mth orgamc molecules am Lscussed It IS confirmed that the Cr(II)L complexes are strong reducmg agents capable of some mtezestmg transform