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dc.contributor.authorCzoik, Rozalia-
dc.contributor.authorHeintz, A.-
dc.contributor.authorJohn, Ewa-
dc.contributor.authorMarczak, Wojciech-
dc.identifier.citationActa Physica Polonica A, Vol. 114, nr 6A (2008), s. 51-56pl_PL
dc.description.abstractThe stability constants and enthalpies of formation of silver (I) complexes with histidine and imidazole were determined. Two types of complexes were found: AgL+ and AgL+ 2 . The second is much more stable that is evidenced by the higher stability constants and enthalpies of formation. For the two systems, the respective constants and enthalpies are very close one to another that suggests similar complexation mechanisms. Most probably, the linear complexes through the N-3 pyridinic atoms are being formed. The calorimetric and potentiometric methods gave virtually the same results for the system silver + imidazole. However, the potentiometric method failed for the histidine system. The molecule of histidine has three protonation spots, two of these probably do not take part in the complexation but their protonation equilibria may shift upon joining the ions of silver and influence the pH of the system in that way.pl_PL
dc.rightsUznanie autorstwa-Użycie niekomercyjne-Bez utworów zależnych 3.0 Polska*
dc.subjectrównowagi chemicznepl_PL
dc.subjectstałe równowagipl_PL
dc.subjectkompleksy srebra z histydynąpl_PL
dc.subjectkompleksy srebra z imidazolempl_PL
dc.subjectbadanie metodą kalorymetrycznąpl_PL
dc.subjectbadanie metodą potencjometrycznąpl_PL
dc.titleComplexes of silver with histidine and imidazole investigated by the calorimetric and potentiometric methodspl_PL
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