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dc.creatorMioč, Ubavka B.
dc.creatorTodorović, Marija R.
dc.creatorColomban, Ph
dc.creatorNedić, Zoran P.
dc.creatorUskoković-Marković, Snežana
dc.creatorBorcić, ID
dc.date.accessioned2019-09-02T10:51:38Z
dc.date.available2019-09-02T10:51:38Z
dc.date.issued1999
dc.identifier.issn0167-2738
dc.identifier.urihttps://farfar.pharmacy.bg.ac.rs/handle/123456789/225
dc.description.abstractThis contribution presents the results of the investigation of Mg2+ and Ca2+ 12-tungstophosphoric acid (WPA) salts as superionic proton conductors. We have identified protonic species as charge carriers in several hydration degrees of these salts by IR spectroscopy at low, room and high temperatures. In the IR spectra we have found the characteristic frequencies for H3O+, OH-, H2O, H5O2+. Also, we have investigated the dynamic equilibrium between protonic entities in the function of temperature, as well as the nature and the strength of hydrogen bonds in those compounds. During the process of calcination, these salts undergo a few phase transformations. The temperatures of interest for the further investigations were taken from data of thermal analysis.en
dc.publisherElsevier Science BV, Amsterdam
dc.rightsrestrictedAccess
dc.sourceSouth African Journal of Botany
dc.titleIdentification of protonic species and their dynamic equilibrium in magnesium and calcium salts of 12-tungstophosphoric aciden
dc.typearticle
dc.rights.licenseARR
dcterms.abstractЦоломбан, Пх; Борцић, ИД; Миоч, Убавка Б.; Тодоровић, Марија Р.; Недић, Зоран П.; Ускоковић-Марковић, Снежана;
dc.citation.volume125
dc.citation.issue1-4
dc.citation.spage425
dc.citation.epage429
dc.citation.other125(1-4): 425-429
dc.citation.rankM21
dc.identifier.wos000083122700053
dc.identifier.doi10.1016/S0167-2738(99)00205-2
dc.identifier.scopus2-s2.0-0033358647
dc.type.versionpublishedVersion


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Приказ основних података о документу