Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides
Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $....
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Hashiba, M. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1988 |
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| Schlagwörter: |
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| Anmerkung: |
© Chapman and Hall Ltd 1988 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Kluwer Academic Publishers, 1966, 23(1988), 3 vom: März, Seite 905-913 |
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| Übergeordnetes Werk: |
volume:23 ; year:1988 ; number:3 ; month:03 ; pages:905-913 |
| Links: |
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| DOI / URN: |
10.1007/BF01153987 |
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OLC204615245X |
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| 245 | 1 | 0 | |a Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides |
| 264 | 1 | |c 1988 | |
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| 520 | |a Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). | ||
| 650 | 4 | |a Polymer | |
| 650 | 4 | |a Free Energy | |
| 650 | 4 | |a Fluoride | |
| 650 | 4 | |a Reaction Mechanism | |
| 650 | 4 | |a CaF2 | |
| 700 | 1 | |a Nurishi, Y. |4 aut | |
| 700 | 1 | |a Hibino, T. |4 aut | |
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10.1007/BF01153987 doi (DE-627)OLC204615245X (DE-He213)BF01153987-p DE-627 ger DE-627 rakwb eng 670 VZ Hashiba, M. verfasserin aut Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1988 Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). Polymer Free Energy Fluoride Reaction Mechanism CaF2 Nurishi, Y. aut Hibino, T. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 23(1988), 3 vom: März, Seite 905-913 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:23 year:1988 number:3 month:03 pages:905-913 https://doi.org/10.1007/BF01153987 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 23 1988 3 03 905-913 |
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10.1007/BF01153987 doi (DE-627)OLC204615245X (DE-He213)BF01153987-p DE-627 ger DE-627 rakwb eng 670 VZ Hashiba, M. verfasserin aut Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1988 Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). Polymer Free Energy Fluoride Reaction Mechanism CaF2 Nurishi, Y. aut Hibino, T. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 23(1988), 3 vom: März, Seite 905-913 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:23 year:1988 number:3 month:03 pages:905-913 https://doi.org/10.1007/BF01153987 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 23 1988 3 03 905-913 |
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10.1007/BF01153987 doi (DE-627)OLC204615245X (DE-He213)BF01153987-p DE-627 ger DE-627 rakwb eng 670 VZ Hashiba, M. verfasserin aut Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1988 Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). Polymer Free Energy Fluoride Reaction Mechanism CaF2 Nurishi, Y. aut Hibino, T. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 23(1988), 3 vom: März, Seite 905-913 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:23 year:1988 number:3 month:03 pages:905-913 https://doi.org/10.1007/BF01153987 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 23 1988 3 03 905-913 |
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10.1007/BF01153987 doi (DE-627)OLC204615245X (DE-He213)BF01153987-p DE-627 ger DE-627 rakwb eng 670 VZ Hashiba, M. verfasserin aut Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1988 Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). Polymer Free Energy Fluoride Reaction Mechanism CaF2 Nurishi, Y. aut Hibino, T. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 23(1988), 3 vom: März, Seite 905-913 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:23 year:1988 number:3 month:03 pages:905-913 https://doi.org/10.1007/BF01153987 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 23 1988 3 03 905-913 |
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10.1007/BF01153987 doi (DE-627)OLC204615245X (DE-He213)BF01153987-p DE-627 ger DE-627 rakwb eng 670 VZ Hashiba, M. verfasserin aut Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1988 Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). Polymer Free Energy Fluoride Reaction Mechanism CaF2 Nurishi, Y. aut Hibino, T. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 23(1988), 3 vom: März, Seite 905-913 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:23 year:1988 number:3 month:03 pages:905-913 https://doi.org/10.1007/BF01153987 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 23 1988 3 03 905-913 |
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English |
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Enthalten in Journal of materials science 23(1988), 3 vom: März, Seite 905-913 volume:23 year:1988 number:3 month:03 pages:905-913 |
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Enthalten in Journal of materials science 23(1988), 3 vom: März, Seite 905-913 volume:23 year:1988 number:3 month:03 pages:905-913 |
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The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. 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Hashiba, M. |
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microstructural observation and reaction mechanism of $ znai_{2} $$ o_{4} $ formation in the presence of various fluorides |
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Microstructural observation and reaction mechanism of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides |
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Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). © Chapman and Hall Ltd 1988 |
| abstractGer |
Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). © Chapman and Hall Ltd 1988 |
| abstract_unstemmed |
Abstract The rates of $ ZnAI_{2} $$ O_{4} $ formation in the presence of various fluorides were controlled by the nucleation process. The rate constants of the nucleation process for various fluorides were in the order LiF > NaF and $ MgF_{2} $ > $ CaF_{2} $ < $ SrF_{2} $ < $ BaF_{2} $. This trend corresponds to the order of the promotion of $ ZnAI_{2} $$ O_{4} $ formation by these fluorides. In order to interpret the dependence of the kinetic constant of the nucleation of $ ZnAI_{2} $$ O_{4} $ from the intermediate phase on the kinds of counter cation of fluorides, it was assumed that the activated state for promotive formation of $ ZnAI_{2} $$ O_{4} $ under the presence of fluoride is similar to that of the following reaction:$$ZnO + Al_2 O_3 + 2MF\left( {M'F_2 } \right) = ZnF_2 + M_2 Al_2 O_4 \left( {M'Al_2 O_4 } \right).$$ The order of the rate constant obtained in this study showed agreement with the order of the standard heats of formation for the above reaction. This relation was interpreted by applying the linear free energy relationship (LIFER). © Chapman and Hall Ltd 1988 |
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