Home Physical Sciences Thermochemische Untersuchungen zum ternären System Bi/Se/O. II. Das Teilsystem Bi2O3– SeO2/Thermochemical Investigations on the Ternary System Bi/Se/O.II.The Binary System Bi2O3–SeO2
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Thermochemische Untersuchungen zum ternären System Bi/Se/O. II. Das Teilsystem Bi2O3– SeO2/Thermochemical Investigations on the Ternary System Bi/Se/O.II.The Binary System Bi2O3–SeO2

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Published/Copyright: June 2, 2014
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 54 Issue 2

We describe the existence of six thermodynamically stable phases on the binary line Bi2O3- SeO2 at room temperature: Bi12SeO20, Bi10Se2O19, Bi16Se5O34, Bi2SeO5, Bi2Se3O9 and Bi2Se4O11. At higher temperature we optained evidence for Bi20Se3O36 and Bi4SeO8. The decomposition pressures were measured for all phases in a membrane zero manometer and the enthalpy of formation and the standard entropy was determined. The phase barogram and phase diagram followed from total pressure measurements and differential thermoanalysis. The standard enthalpies of formation of all phases were also derived from solution calorimetry. The necessary data of transitions on molar enthalpies were obtained by DSC- and Cp-measurements.

Keywords: Bismuth Selenium Oxides; Coexistence Pressure; Phase Barogram; Differential Thermoanalysis; Phase Diagram
Received: 1998-9-25
Published Online: 2014-6-2
Published in Print: 1999-2-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

Articles in the same Issue

  1. Synthesis, Spectroscopy and Structure of Diorganotin(IV) Schiff Base Complexes
  2. NMR-spektroskopische Untersuchungen zur Hydrolyse von funktionellen Trialkoxysilanen/ NMR-Spectroscopic Investigations on the Hydrolysis of Functional Trialkoxysilanes
  3. Synthese, Struktur- und EPR-Untersuchungen an Bis(tetraphenylphosphonium)- bis(1,2-dithioquadratato)oxovanadat(IV), (Ph4P)2[VO(dtsq)2]/Synthesis, Structural and EPR Investigations on Bis(tetraphenylphosphonium)- bis(1,2-dithiosquarato)oxovanadate(IV), (Ph4P)2 [VO(dtsq)2]
  4. 3-Hexyne Complexes of Molybdenum(II) and Tungsten(II). Crystal Structures of [WI2(CO)(PPh3 )2 (η2-EtC2 Et)] and [WI2(CO){Ph2P(CH2)3PPh2}(η2-EtC2Et)]
  5. Synthese und Aggregatbildung eines 5-Hydroxy-2,5-dihydropyrrols. Enantiomerenreine, eindimensionale Stränge durch Wasserstoffbrückenbindungen und chiroselektive Selbstorganisation/Synthesis and Aggregation of a 5-H ydroxy-2,5-dihydropyrrole. Enantiomerically Pure, One-dimensional Strands via Hydrogen Bonds and Chiroselective Self Organization
  6. 1,2,4-Diazaphosphole und 1,2,4-DiazaarsoIe: Ringstruktur und Struktur wasserstoffbrücken-gebundener Paare und Helices/1,2,4-Diazaphospholes and 1,2,4-Diazaarsoles: Ring Structure and Structure of Hydrogen-Bonded Pairs and Helices
  7. Solvation Structure of Solvated Cu(I) Ions in Non-Aqueous Solvents as Studied by EXAFS and ab initio Molecular Orbital Methods
  8. Neue dikationische Silicium-Komplexe mit N-Methylimidazol/New Dicationic Silicon Complexes with N-Methylimidazole
  9. Metal Complexes of Heteroarenes, X [1].η1-Coordination of Phosphinine: Synthesis and Structure of cis-Dichloro-bis(2,6-dimethyl-4-phenyl-phosphinine)platinum
  10. Cyclisierungen über Enamin-Zwischenstufen bei Amindehydrierungen/Cyclizations via Enamine Intermediates with Amine Dehydrogenations
  11. Reaktionen von Isochinolinium-Salzen mit Hydroxylamin-Derivaten, 1. Mitteilung. N-(Nitrophenyl)-substituierte Verbindungen/Reactions of Isoquinolinium Salts with Hydroxylamine Derivatives, 1st Communication. N-(Nitrophenyl) Substituted Compounds
  12. Untersuchungen zum quasibinären System Bi2Te3/BiCl3/Investigations on the Pseudobinary System Bi2Te3/BiCl3
  13. Thermochemische Untersuchungen zum ternären System Bi/Se/O. II. Das Teilsystem Bi2O3– SeO2/Thermochemical Investigations on the Ternary System Bi/Se/O.II.The Binary System Bi2O3–SeO2
  14. Untersuchungen zum ternären System Bi/Te/O, III. Bestimmung thermodynamischer Daten der ternären Verbindungen/Investigations on the Ternary System Bi/Te/O,III. Determination of Thermodynamic Data of Ternary Compounds
  15. Thermochemische Untersuchungen am System Bi/Se/O III. Zum quasibinären System Bi2O3 –Bi2Se3 und zum ternären Bereich Bi2O3– Bi2O2Se – Se – SeO2/Thermochemical Investigations on the System Bi/Se/O III.The Quasy Binary System Bi2O3-Bi2Se3and the Ternary Range Bi2O3-Bi2O2Se–Se–SeO2
  16. Zur Darstellung von Organosiliciumpolymeren mit (-SiH2-)n-Gnippen/Synthesis of Organosilicon Polymers Containing ( – SiH2- )n-Units
  17. Synthese und Reaktionsverhalten von Stannyloligosilanen, I. Kettenförmige Stannyloligosilane mit SiMe2-Einheiten/Synthesis and Reactivity of Stannyloligosilanes, I. Stannyloligosilane Chains Containing SiMe2 Moieties
  18. Die Kristallstrukturen von Tetraphenylphosphonium- octahalogenodiarsenat( III) und -diantimonat(III) mit Acetonitril, (PPh4)2[E2X8] · CH3CN (E = As, Sb; X = CI, Br)/The Crystal Structures of Tetraphenylphosphonium Octahalogenodiarsenate (III) and Diantimonate (III) with Acetonitrile, (PPh4)2[E2X8]·CH3CN(E=As, Sb; X=Cl, Br)
  19. ERRATUM
https://doi.org/10.1515/znb-1999-0213
Keywords for this article
Bismuth Selenium Oxides; Coexistence Pressure; Phase Barogram; Differential Thermoanalysis; Phase Diagram

Articles in the same Issue

  1. Synthesis, Spectroscopy and Structure of Diorganotin(IV) Schiff Base Complexes
  2. NMR-spektroskopische Untersuchungen zur Hydrolyse von funktionellen Trialkoxysilanen/ NMR-Spectroscopic Investigations on the Hydrolysis of Functional Trialkoxysilanes
  3. Synthese, Struktur- und EPR-Untersuchungen an Bis(tetraphenylphosphonium)- bis(1,2-dithioquadratato)oxovanadat(IV), (Ph4P)2[VO(dtsq)2]/Synthesis, Structural and EPR Investigations on Bis(tetraphenylphosphonium)- bis(1,2-dithiosquarato)oxovanadate(IV), (Ph4P)2 [VO(dtsq)2]
  4. 3-Hexyne Complexes of Molybdenum(II) and Tungsten(II). Crystal Structures of [WI2(CO)(PPh3 )2 (η2-EtC2 Et)] and [WI2(CO){Ph2P(CH2)3PPh2}(η2-EtC2Et)]
  5. Synthese und Aggregatbildung eines 5-Hydroxy-2,5-dihydropyrrols. Enantiomerenreine, eindimensionale Stränge durch Wasserstoffbrückenbindungen und chiroselektive Selbstorganisation/Synthesis and Aggregation of a 5-H ydroxy-2,5-dihydropyrrole. Enantiomerically Pure, One-dimensional Strands via Hydrogen Bonds and Chiroselective Self Organization
  6. 1,2,4-Diazaphosphole und 1,2,4-DiazaarsoIe: Ringstruktur und Struktur wasserstoffbrücken-gebundener Paare und Helices/1,2,4-Diazaphospholes and 1,2,4-Diazaarsoles: Ring Structure and Structure of Hydrogen-Bonded Pairs and Helices
  7. Solvation Structure of Solvated Cu(I) Ions in Non-Aqueous Solvents as Studied by EXAFS and ab initio Molecular Orbital Methods
  8. Neue dikationische Silicium-Komplexe mit N-Methylimidazol/New Dicationic Silicon Complexes with N-Methylimidazole
  9. Metal Complexes of Heteroarenes, X [1].η1-Coordination of Phosphinine: Synthesis and Structure of cis-Dichloro-bis(2,6-dimethyl-4-phenyl-phosphinine)platinum
  10. Cyclisierungen über Enamin-Zwischenstufen bei Amindehydrierungen/Cyclizations via Enamine Intermediates with Amine Dehydrogenations
  11. Reaktionen von Isochinolinium-Salzen mit Hydroxylamin-Derivaten, 1. Mitteilung. N-(Nitrophenyl)-substituierte Verbindungen/Reactions of Isoquinolinium Salts with Hydroxylamine Derivatives, 1st Communication. N-(Nitrophenyl) Substituted Compounds
  12. Untersuchungen zum quasibinären System Bi2Te3/BiCl3/Investigations on the Pseudobinary System Bi2Te3/BiCl3
  13. Thermochemische Untersuchungen zum ternären System Bi/Se/O. II. Das Teilsystem Bi2O3– SeO2/Thermochemical Investigations on the Ternary System Bi/Se/O.II.The Binary System Bi2O3–SeO2
  14. Untersuchungen zum ternären System Bi/Te/O, III. Bestimmung thermodynamischer Daten der ternären Verbindungen/Investigations on the Ternary System Bi/Te/O,III. Determination of Thermodynamic Data of Ternary Compounds
  15. Thermochemische Untersuchungen am System Bi/Se/O III. Zum quasibinären System Bi2O3 –Bi2Se3 und zum ternären Bereich Bi2O3– Bi2O2Se – Se – SeO2/Thermochemical Investigations on the System Bi/Se/O III.The Quasy Binary System Bi2O3-Bi2Se3and the Ternary Range Bi2O3-Bi2O2Se–Se–SeO2
  16. Zur Darstellung von Organosiliciumpolymeren mit (-SiH2-)n-Gnippen/Synthesis of Organosilicon Polymers Containing ( – SiH2- )n-Units
  17. Synthese und Reaktionsverhalten von Stannyloligosilanen, I. Kettenförmige Stannyloligosilane mit SiMe2-Einheiten/Synthesis and Reactivity of Stannyloligosilanes, I. Stannyloligosilane Chains Containing SiMe2 Moieties
  18. Die Kristallstrukturen von Tetraphenylphosphonium- octahalogenodiarsenat( III) und -diantimonat(III) mit Acetonitril, (PPh4)2[E2X8] · CH3CN (E = As, Sb; X = CI, Br)/The Crystal Structures of Tetraphenylphosphonium Octahalogenodiarsenate (III) and Diantimonate (III) with Acetonitrile, (PPh4)2[E2X8]·CH3CN(E=As, Sb; X=Cl, Br)
  19. ERRATUM
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