New insights for titanium(<scp>iv</scp>) speciation in acidic media based on UV-visible and <sup>31</sup>P NMR spectroscopies and molecular modeling
Lucas Mangold, Hubert Halleux, Sébastien Leclerc, Aurélien Moncomble, Gérard Cote, Alexandre Chagnes
Abstract
A spectroscopic study of titanium( iv ) speciation in diluted nitric acid (model of non-complexing medium) and 0.1–12.7 mol L −1 phosphoric acid aqueous solutions. Evidence for the presence of polynuclear species is supported by molecular modeling.
Topics & Concepts
TitaniumAbsorbanceChemistryInorganic chemistryPhosphoric acidAqueous solutionHydrolysisDivalentNitric acidChelationNMR spectra databaseNuclear chemistrySolubilitySpectral linePhysical chemistryOrganic chemistryChromatographyAstronomyPhysicsRadioactive element chemistry and processingChemical Synthesis and CharacterizationMetal Extraction and Bioleaching