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Spectrophotometric investigation of complex formation between HMPAO and palladium(II) ions

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Authors
Vukićević, N.S
Karljiković-Rajić, Katarina
Veselinović, Dragan S.
Vanlić-Razumenić, N.M
Uskoković-Marković, Snežana
Article (Published version)
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Abstract
A system containing palladium(II) ions and dioxime HMPAO (H 2 L; L 2 = 4,8-diaza-3,6,6,9-tetramethylundecane-2, 10-dione dioximate ion) was investigated within a pH range of 2.0 to 7.5 (1 = 0.5 mol dm 3 ) using spectrophotometric measurements. Experimental data proved the formation of two different complex types: one with excessive Pd(II) ions (λ max = 370 nm) and the other with excessive HMPAO, λ max = 240 nm, HMPAO to Pd(II) ratio 1:1, and a relative stability constant log β' = 4.64 ± 0.05, at 293 K. The probable structure of the complex [Pd(HL)] + in solution is also suggested.
Keywords:
HMPAO complexes / Palladium(II) complexes / UV - VIS spectra
Source:
Journal of the Serbian Chemical Society, 1996, 61, 9, 785-792
Publisher:
  • Srpsko hemijsko društvo, Beograd

ISSN: 0352-5139

Scopus: 2-s2.0-0041856697
[ Google Scholar ]
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/139
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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