EMF-measurements with galvanic bromine cells in the systems RBr/MBr2 (M=Sr,Ba) |
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Authors: | M. Paul H. J. Seifert |
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Affiliation: | (1) Inorganic Chemistry, University Gh Kassel, F.R.G. |
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Abstract: | ![]() The systems RbBr/SrBr2 and RbBr/BaBr2 were reinvestigated by DTA and X-ray-crystallography. Additionally to the known compounds RbSrBr3, RbSr2Br5 and RbBa2Br5, the phases Rb2.23Sr0.885Br4 and Rb2.13 Ba0.935Br4 were found, which are structural related to the Th3 P4 — type. By EMF-measurements the thermodynamic functions G, H and S were determined for all compounds.
Zusammenfassung Die Systeme RbBr/SrBr2 und RbBr/BaBr2 wurden mittels DTA und Röntgenaufnahmen an Kristallpulvern neu untersucht. Zusätzlich zu den schon bekannten Verbindungen RbSrBr3, RbSr2Br5 und RbBa2Br5 wurden die Phasen Rb2,23Sr0,885Br4 und Rb2,13Ba0,935Br4, die sich strukturell vom Th3P4-Typ ableiten lassen, neu gefunden. Für alle Verbindungen wurden durch EMK-Messungen in galvanischen Feststoffzellen die thermodynamischen Funktionen G, H und S bestimmt.
![Rcy](/content/wh62060364581275/xxlarge1056.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) ![yucy](/content/wh62060364581275/xxlarge1102.gif) ![mcy](/content/wh62060364581275/xxlarge1084.gif) ![Mcy](/content/wh62060364581275/xxlarge1052.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![Dcy](/content/wh62060364581275/xxlarge1044.gif) ![Tcy](/content/wh62060364581275/xxlarge1058.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![gcy](/content/wh62060364581275/xxlarge1075.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) 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![mcy](/content/wh62060364581275/xxlarge1084.gif) RbBr/SrBr RbBBr/BaBr2. ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![pcy](/content/wh62060364581275/xxlarge1087.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![lcy](/content/wh62060364581275/xxlarge1083.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![acy](/content/wh62060364581275/xxlarge1072.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) ![vcy](/content/wh62060364581275/xxlarge1074.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![ycy](/content/wh62060364581275/xxlarge1099.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![yacy](/content/wh62060364581275/xxlarge1103.gif) RbSrBr3, Rbsr2Br5 RbBa2Br5, ![bcy](/content/wh62060364581275/xxlarge1073.gif) ![ycy](/content/wh62060364581275/xxlarge1099.gif) ![lcy](/content/wh62060364581275/xxlarge1083.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![acy](/content/wh62060364581275/xxlarge1072.gif) ![jcy](/content/wh62060364581275/xxlarge1081.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![fcy](/content/wh62060364581275/xxlarge1092.gif) ![acy](/content/wh62060364581275/xxlarge1072.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) Rb2,23Sr0,885Br4 Rb2,I3Ba0,935Br4, ![kcy](/content/wh62060364581275/xxlarge1082.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![ycy](/content/wh62060364581275/xxlarge1099.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![ucy](/content/wh62060364581275/xxlarge1091.gif) ![kcy](/content/wh62060364581275/xxlarge1082.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![ucy](/content/wh62060364581275/xxlarge1091.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![vcy](/content/wh62060364581275/xxlarge1074.gif) ![yacy](/content/wh62060364581275/xxlarge1103.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) ![acy](/content/wh62060364581275/xxlarge1072.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) Th3P4. ![pcy](/content/wh62060364581275/xxlarge1087.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![mcy](/content/wh62060364581275/xxlarge1084.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![shchcy](/content/wh62060364581275/xxlarge1097.gif) ![softcy](/content/wh62060364581275/xxlarge1100.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![zcy](/content/wh62060364581275/xxlarge1079.gif) ![mcy](/content/wh62060364581275/xxlarge1084.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![lcy](/content/wh62060364581275/xxlarge1083.gif) ![vcy](/content/wh62060364581275/xxlarge1074.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![bcy](/content/wh62060364581275/xxlarge1073.gif) ![ycy](/content/wh62060364581275/xxlarge1099.gif) ![lcy](/content/wh62060364581275/xxlarge1083.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![pcy](/content/wh62060364581275/xxlarge1087.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![lcy](/content/wh62060364581275/xxlarge1083.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![tcy](/content/wh62060364581275/xxlarge1090.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![rcy](/content/wh62060364581275/xxlarge1088.gif) ![mcy](/content/wh62060364581275/xxlarge1084.gif) ![ocy](/content/wh62060364581275/xxlarge1086.gif) ![dcy](/content/wh62060364581275/xxlarge1076.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![acy](/content/wh62060364581275/xxlarge1072.gif) ![mcy](/content/wh62060364581275/xxlarge1084.gif) $ ![chcy](/content/wh62060364581275/xxlarge1095.gif) ![iecy](/content/wh62060364581275/xxlarge1077.gif) ![scy](/content/wh62060364581275/xxlarge1089.gif) ![kcy](/content/wh62060364581275/xxlarge1082.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) ![fcy](/content/wh62060364581275/xxlarge1092.gif) ![ucy](/content/wh62060364581275/xxlarge1091.gif) ![ncy](/content/wh62060364581275/xxlarge1085.gif) ![kcy](/content/wh62060364581275/xxlarge1082.gif) ![tscy](/content/wh62060364581275/xxlarge1094.gif) ![icy](/content/wh62060364581275/xxlarge1080.gif) G, H S.
This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie. |
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