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  • 1
    Electronic Resource
    Electronic Resource
    Use of Emanation Thermal Analysis in Characterisation of Nanosized Hematite Prepared by Dry Grinding of Goethite (2000)
    Springer
    Journal of thermal analysis and calorimetry 60 (2000), S. 997-1007 
    Details
    ISSN: 1572-8943
    Keywords: emanation thermal analysis (ETA) ; goethite ; grinding ; mechanochemical decomposition ; nanosized hematite particles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Hematite nanoparticles of narrow size distribution were prepared by grinding of goethite. Intermediate and final products of grinding were characterised by different techniques, including the less-common emanation thermal analysis (ETA). ETA was shown to be a useful technique for characterising processes of surface annealing, initial sintering and growth of hematite particles under in situ conditions of thermal treatment. A good agreement was found between results of ETA, TG, XRD, IR spectrometry, transmission electron microscopy and scanning electron microscopy, used for characterisation of thermal behaviour of the goethite samples ground for varying time (0–70 h).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010180313136
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  • 2
    Electronic Resource
    Electronic Resource
    Rapid preparation of uniform colloidal indium hydroxide by the controlled double-jet precipitation (1998)
    Springer
    Colloid & polymer science 276 (1998), S. 847-850 
    Details
    ISSN: 1435-1536
    Keywords: Key words Indium hydroxide ; colloidal ; indium hydroxide ; rod-like ; controlled double-jet precipitation ; monodispersed indium hydroxide ; precipitation of indium hydroxide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The synthesis of uniform colloidal rod-like In(OH)3 particles from relatively concentrated solutions of InCl3 (0.1 mol dm-3) in short reaction time (〈15 min) by the controlled double-jet precipitation (CDJP) technique is described. The effects of the molar ratio of [NH4OH]/[InCl3], temperature, concentration of the reactants, and reaction time on the size and shape of the final products are investigated. It is found that such In(OH)3 particles are formed by aggregation of nanosize subunits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960050320
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    Paper (German National Licenses)
    Fulltext
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