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Thermodynamics of arsenates, selenites and sulphates in oxidising zone of sulphides ore deposits. VIII. Field of Thermal Stability of Synthetic Analog of Chalcomenite, its Dehydration and Dissociation. / Fokina, E.L.; Klimova, E.V.; Charykova, M.V.; Krivovichev, V.G.; Platonova, N.V.; Semenova, V.V.; Depmeier, W.

в: Geology of Ore Deposits, Том 56, № 7, 2014, стр. 538-545.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{4fd4a9752347470c97900a1091ea4a5c,
title = "Thermodynamics of arsenates, selenites and sulphates in oxidising zone of sulphides ore deposits. VIII. Field of Thermal Stability of Synthetic Analog of Chalcomenite, its Dehydration and Dissociation",
abstract = "{\textcopyright} 2014, Pleiades Publishing, Ltd. The objective of this paper is to study the thermal stability of the synthetic analog of chalcomenite, CuSeO3 · 2H2O, and its dehydration and dissociation, in an experimental context. The study has been carried out by a comprehensive application of thermogravimetry (TG), differential scanning calorimetry (DSC), and high-temperature X-ray diffraction at a temperature range of 25–600°C. It has been established that CuSeO3 · 2H2O dehydrates at 202–264°C in three stages corresponding to the formation of intermediate CuSeO3 · 2H2O and CuSeO3 · 1/3H2O hydrate phases. At 480–595°C anhydrous CuSeO3 breaks down into CuO and SeO2 via the formation of a Cu4O(SeO3)3 phase. Enthalpies of the reactions at each stage of the CuSeO3 · 2H2O dehydration and CuSeO3 dissociation have been determined and their kinetic analysis has been carried out.",
author = "E.L. Fokina and E.V. Klimova and M.V. Charykova and V.G. Krivovichev and N.V. Platonova and V.V. Semenova and W. Depmeier",
year = "2014",
doi = "10.1134/S1075701514070058",
language = "English",
volume = "56",
pages = "538--545",
journal = "Geology of Ore Deposits",
issn = "1075-7015",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "7",

}

RIS

TY - JOUR

T1 - Thermodynamics of arsenates, selenites and sulphates in oxidising zone of sulphides ore deposits. VIII. Field of Thermal Stability of Synthetic Analog of Chalcomenite, its Dehydration and Dissociation

AU - Fokina, E.L.

AU - Klimova, E.V.

AU - Charykova, M.V.

AU - Krivovichev, V.G.

AU - Platonova, N.V.

AU - Semenova, V.V.

AU - Depmeier, W.

PY - 2014

Y1 - 2014

N2 - © 2014, Pleiades Publishing, Ltd. The objective of this paper is to study the thermal stability of the synthetic analog of chalcomenite, CuSeO3 · 2H2O, and its dehydration and dissociation, in an experimental context. The study has been carried out by a comprehensive application of thermogravimetry (TG), differential scanning calorimetry (DSC), and high-temperature X-ray diffraction at a temperature range of 25–600°C. It has been established that CuSeO3 · 2H2O dehydrates at 202–264°C in three stages corresponding to the formation of intermediate CuSeO3 · 2H2O and CuSeO3 · 1/3H2O hydrate phases. At 480–595°C anhydrous CuSeO3 breaks down into CuO and SeO2 via the formation of a Cu4O(SeO3)3 phase. Enthalpies of the reactions at each stage of the CuSeO3 · 2H2O dehydration and CuSeO3 dissociation have been determined and their kinetic analysis has been carried out.

AB - © 2014, Pleiades Publishing, Ltd. The objective of this paper is to study the thermal stability of the synthetic analog of chalcomenite, CuSeO3 · 2H2O, and its dehydration and dissociation, in an experimental context. The study has been carried out by a comprehensive application of thermogravimetry (TG), differential scanning calorimetry (DSC), and high-temperature X-ray diffraction at a temperature range of 25–600°C. It has been established that CuSeO3 · 2H2O dehydrates at 202–264°C in three stages corresponding to the formation of intermediate CuSeO3 · 2H2O and CuSeO3 · 1/3H2O hydrate phases. At 480–595°C anhydrous CuSeO3 breaks down into CuO and SeO2 via the formation of a Cu4O(SeO3)3 phase. Enthalpies of the reactions at each stage of the CuSeO3 · 2H2O dehydration and CuSeO3 dissociation have been determined and their kinetic analysis has been carried out.

U2 - 10.1134/S1075701514070058

DO - 10.1134/S1075701514070058

M3 - Article

VL - 56

SP - 538

EP - 545

JO - Geology of Ore Deposits

JF - Geology of Ore Deposits

SN - 1075-7015

IS - 7

ER -

ID: 5749559