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  • 1
    Electronic Resource
    Electronic Resource
    Thermomagnetometry (1997)
    Springer
    Journal of thermal analysis and calorimetry 49 (1997), S. 33-44 
    Details
    ISSN: 1572-8943
    Keywords: magnetic transition temperature ; temperature standard for TG ; thermomagnetometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract This brief tutorial and somewhat personal review discusses general experimental aspects and several examples of how thermomagnetometry has proven valuable in a variety of studies. The three areas of focus concern 1) determination of the magnetic transition temperature to characterize the material or to serve subsequently as a potential temperature standard for thermogravimetry; 2) detection of magnetic reactants, intermediates, or products during reactions and 3) following the reaction rates for such reactions. A broad range of materials is examined, metals, ceramics, catalysts, minerals, and inorganic complexes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01987419
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of nickel base alloys for use as magnetic standards (1997)
    Springer
    Journal of thermal analysis and calorimetry 49 (1997), S. 1013-1016 
    Details
    ISSN: 1572-8943
    Keywords: magnetic standards ; thermomagnetometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The goal of this research is to prepare a series of alloys having sharp, reproducible magnetic transitions for calibrating temperature in thermogravimetry from the magnetic transition temperature of pure cobalt (1121°C) to below room temperature. Alloys in the Ni-Co and Ni-Cu systems were prepared by the thermal decomposition of coprecipitated oxalates in argon. The alloys were subsequently annealed under 5% hydrogen. Magnetic transition temperatures were measured using simultaneous thermomagnetometry/differential thermal analysis. Transition temperatures were corrected using well known meltingpoint standards. Magnetic transition temperatures along with precision are reported as a function of composition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01996788
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Thermal dehydrations (1997)
    Springer
    Journal of thermal analysis and calorimetry 49 (1997), S. 1221-1226 
    Details
    ISSN: 1572-8943
    Keywords: calcium cadmium acetate hexahydrate ; calcium copper acetate hexahydrate ; complexes ; thermal analysis ; thermal dehydration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The behaviour of thermal dehydrations of isomorphous complexes of calcium copper acetate hexahydrate, CaCu(CH3CO2)4·6H2O and calcium cadmium acetate hexahydrate, CaCd(CH3CO2)4· 6H2O was studied by means of thermal analyses and X-ray structural analysis. The enthalpy changes for the dehydration of CaCu(CH3CO2)4·6H2O and CaCd(CH3CO2)4·6H2O were 315±9.7 and 295±8.0 kJ mol−1, respectively. The DSC curves of the dehydrations indicated that the seemingly simple dehydrations are more complex than they appear at first sight. Apparent activation energies for the dehydrations of CaCu(CH3CO2)4·6H2O and CaCd(CH3CO2)4·6H2O were 85.7±7.4 and 87.9±12.5 kJ mol−1, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983678
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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