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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 70 (1948), S. 4115-4120 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial and engineering chemistry 22 (1983), S. 594-599 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial & engineering chemistry 48 (1956), S. 977-981 
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 99 (1987), S. 183-191 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Messung von pH-Werten, Redoxpotentialen und Korrosionspotentialen bei hohen Temperaturen und Drücken ist häufig für die Steuerung und Überwachung von industriellen Prozessen erwünscht. Als Beispiele seien die Wasserkontrolle in konventionellen Kraftwerken und Kernkraftwerken, die Prozeßsteuerung in der chemischen Industrie und die Leistungsüberwachung bei der Extraktion und Raffination von Erdöl genannt. Diese Messungen werden ebenfalls zur Erforschung der Thermodynamik von hochtemperierten wäßrigen Lösungen benötigt, zum Beispiel im Zusammenhang mit geothermalen oder hydrothermalen Reaktionen. Für alle diese Zwecke haben sich Zirconiumoxidelektroden besonders bewährt. Zwar sind sie bislang noch nicht kommerziell erhältlich, doch können brauchbare Modelle leicht im Laboratorium hergestellt werden. - Messungen bei höheren Temperaturen bergen spezielle Fehlermöglichkeiten; oft ist große Vorsicht angebracht, um gesicherte und nützliche Daten zu erhalten.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 26 (1987), S. 161-169 
    ISSN: 0570-0833
    Keywords: Electrodes ; Potential measurements ; High-pressure chemistry ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The measurement of pH, redox potentials, and corrosion potentials at high temperatures and pressures is often desirable for the control and monitoring of industrial processes; e.g., for controlling water chemistry in conventional and nuclear power generators, for process control in the chemical industry, and for monitoring performance in petroleum extraction and refining. Such measurements are also needed for research on the thermodynamics of high-temperature aqueous solutions including those associated with geothermal and hydrothermal reactions. Zirconia electrodes for these purposes are described, and their application is illustrated with examples. While not yet routinely available on a commercial basis, useful versions can be readily fabricated in the laboratory. Some of the pitfalls encountered in making such measurements at elevated temperatures are also discussed because great care is often required to assure that valid and useful data are being obtained.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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