LOW-TEMPERATURE HEAT CAPACITY OF STRONTIANITE SRCO3(C)
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dc.contributor.author | Gurevich V.M. | |
dc.date.accessioned | 2021-02-26T12:29:43Z | |
dc.date.available | 2021-02-26T12:29:43Z | |
dc.date.issued | 2001 | |
dc.identifier | https://elibrary.ru/item.asp?id=13389127 | |
dc.identifier.citation | Geochemistry International, 2001, 39, 7, 676-682 | |
dc.identifier.issn | 0016-7029 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/25790 | |
dc.description.abstract | The temperature dependence of strontianite SrCO3(c) heat capacity was determined within the range 0-336 K. It was measured within 22.13-336.94 K and calculated below 22.13 K. The experimental data were approximated with an equation expressing C-p(0)(T) of strontianite through the sum of Debye's, Kieffer's, and Einstein's functions. This dependence allowed the extrapolation of C-p(0)(T) to 0 K at temperatures below 22.13 K, which were not experimentally studied. The following values were obtained for the standard heat capacity, entropy, and enthalpy change of strontianite SrCO3(c) at 298.15 K: C-p(0)(298.15 K) = 86.52 +/-0.15 J mol(-1) K-1, S-0(298.15 K) = 100.01 +/-0.24 J mol(-1) K-1, H-0(298.15 K) - H-0(0) = 15.686 +/-0.022 kJ mol(-1). | |
dc.title | LOW-TEMPERATURE HEAT CAPACITY OF STRONTIANITE SRCO3(C) | |
dc.type | Статья |
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