Kinetic analysis of particle-size based complex kinetic processes

Show simple item record Svoboda, Roman cze 2021-05-15T18:18:49Z 2021-05-15T18:18:49Z 2020 eng
dc.identifier.issn 0022-3093 eng
dc.description.abstract Complex kinetic data arbitrarily created by measuring (calorimetrically) crystallization of mixed selenium powders with different defined particle sizes were evaluated by the three standard approaches to complex kinetic analysis. Performance of the three tested approaches was tested by comparison with the kinetic results obtained for the separate powder fractions. The additivity of the kinetic signals was verified. Single-process methods of kinetic analysis provided qualitative and quantitative information about the temperature dependence of activation energy E and estimation of the ratio between intensities of the involved sub-processes I-1/I-2. Mathematic deconvolution approach well reflected the correct model-free and model-based kinetics for the partial overlaps. However, it required iterative processing and additional supplemental information about the nature of the sub-processes in case of the evaluation of fully overlapping data. Kinetic deconvolution based on single-curve non-linear optimization utilizing the fixed E values obtained independently provided very good results for both, partial and full overlaps. eng
dc.format p. "119903-1"-"119903-13" eng
dc.language.iso eng eng
dc.publisher Elsevier Science BV eng
dc.relation.ispartof Journal of Non-Crystalline Solids, volume 533, issue: April eng
dc.rights Práce není přístupná eng
dc.subject Complex kinetic analysis eng
dc.subject Particle size eng
dc.subject DSC eng
dc.subject Selenium glass eng
dc.subject Deconvolution eng
dc.subject komplexní kinetická analýza cze
dc.subject velikost částic cze
dc.subject DSC cze
dc.subject amorfní Se cze
dc.subject dekonvoluce cze
dc.title Kinetic analysis of particle-size based complex kinetic processes eng
dc.title.alternative Kinetická analýza komplexních kinetických procesů ovlivněných velikostí částic cze
dc.type article eng
dc.description.abstract-translated Komplexní kinetická data byla vytvořena měřením směsí Se prášků různých zrnitostí a výsledná data byla analyzována s cílem oddělit probíhající procesy. cze
dc.peerreviewed yes eng
dc.publicationstatus postprint eng
dc.identifier.doi 10.1016/j.jnoncrysol.2020.119903 eng
dc.relation.publisherversion eng
dc.project.ID GA17-11753S/Kinetická analýza komplexních fyzikálně chemických procesů eng
dc.identifier.wos 000521507100005 eng
dc.identifier.obd 39884909 eng

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