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Effect of the central ion of octahedral transition metal complexes on their thin-layer chromatographic RF values

✍ Scribed by Gordana Vučković; N. Juranić; D.J. Radanović; M.B. Ćelap

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 341 KB
Volume: 466
Category: Article
ISSN: 1873-3778
DOI: 10.1016/s0021-9673(01)84619-7

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✦ Synopsis

The RF values of twenty complexes of Cr"', Co"', Ru"', Rh'n, Fe", Co", Ni" and Zn" containing ligands such as ethylenediamine-N,N'-diacetato-N,N'-di-3-propionato (eddadp), ethylenediaminetetra-3-propionato (edtp), 2,4_pentanedionato (acac), 1-phenyl-1,3-butanedionato ion (bzac) or a,@'-dipyridyl (dipy), were determined by thin-layer chromatography. Development was carried out with 22 single-component solvents. The results obtained for anionic and neutral complexes can best be explained by using the polarization power of the central ions of the complexes, assuming an adsorption separation mechanism.

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