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  • 1
    Electronic Resource
    Electronic Resource
    Thallium(I)-Uranates(VI) (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 403 (1974), S. 211-217 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Thallium(I)-uranate(VI)Die Darstellung (durch Festkörperreaktion), die thermischen und die hydrolytischen Eigenschaften der Thallium(I)-uranate(VI) werden beschrieben. Als Phasen wurden identifiziert: Tl2UO4, Tl2U2O7 und ein Gebiet fester Lösungen (Tl2O. 2,33 UO3—Tl2O. 6 UO3). Die Thalliumuranate haben gleiche Strukturen wie die entsprechenden Kaliumuranate. Tl2U2O7 ist die stabile Phase, die sich auch bei der Hydrolyse anderer Uranate bildet. Beim Erhitzen der Uranate über 750°C verflüchtigt sich Tl2O; die Reihenfolge der thermischen Stabilität ist: Tl2U6O19∼Tl2U3O10∼Tl2U2O7»Tl2UO4.
    Notes: The solid state preparation, thermal and hydrolytic characteristics of thallium(I) - uranates(VI) are described. The phases identified were Tl2UO4, Tl2U2O7 and a range of solid solution (Tl2O. 2,33 UO3—Tl2O. 6 UO3). The thallium uranates are isostructural with the corresponding potassium uranates. Tl2U2O7 is the stable phase formed from the other uranates on hydrolytic treatment. The thallium uranates lose thallium(I) oxide on heating to temperatures above 750°C and the order of thermal stability is Tl2U6O19∼Tl2U3O10∼Tl2U2O7»Tl2UO4.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744030217
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  • 2
    Electronic Resource
    Electronic Resource
    Preparation and Characterisation of a New Thallium(I) Uranate(VI), Tl4UO5 (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 407 (1974), S. 345-349 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Darstellung und Charakterisierung eines neuen Thallium(I)- uranates, Tl4UO5Ein neues Thallium(I)-uranat(VI), Tl4UO5, wurde dargestellt und durch Röntgen-, IR- und chemische Analyse charakterisiert. Beim Erhitzen auf 230°C dissoziiert die Verbindung in Tl2O und Tl2UO4, und das weitere thermische Verhalten ist gekennzeichnet von der Flüchtigkeit und Oxydationscharakteristik des freigesetzten Tl2O.
    Notes: A new thallium(I) uranate(VI) of composition Tl4UO5 was isolated and characterised by X-ray, i. r. and chemical analyses. The compound dissociated into thallium(I) oxide and Tl2UO4 on heating to 230°C and its subsequent thermal behaviour depended on the volatilisation and oxidation characteristics of the thallium(I) oxide released.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744070310
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  • 3
    Electronic Resource
    Electronic Resource
    Thermal Decomposition of Tetraethylammonium Perchlorate (1982)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 7 (1982), S. 155-157 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Thermal decomposition of tetraethylammonium perchlorate has been studied by thermogravimetry, differential thermal analysis and mass spectrometry. The title compound undergoes crystallographic transformation at 98°C and explodes at 298°C. The heat of phase transformation is calculated to be 2.5 kcal/mol. The mass spectral data suggest that the salt undergoes thermal decomposition into neutral particles which are then vapourized and ionized as well as oxidized.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19820070605
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  • 4
    Electronic Resource
    Electronic Resource
    Thermal Decomposition of Guanidinium Perchlorate (1983)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 8 (1983), S. 109-111 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Thermal decomposition of guanidinium perchlorate has been studied by thermogravimetry, differential thermal analysis, mass spectrometry and X-ray diffractometry. The title compound undergoes crystallographic phase transformation at 180°C before melting at 255°C. It decomposes exothermally into gaseous products in the temperature range 275°C-325°C. The mass spectral results suggest that the compound undergoes thermal decomposition into neutral particles which are then vapourized, ionized and oxidized. The fragment cyanamide is found to undergo trimerization to give melamine.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19830080405
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