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Identification of magnetic minerals by Scanning Electron Microscope and application of ferrofluid

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    0029433 - GLÚ 2006 RIV CZ eng J - Journal Article
    Kletetschka, Günther - Kontny, A.
    Identification of magnetic minerals by Scanning Electron Microscope and application of ferrofluid.
    [Určení magnetických minerálů elektronovým skenovacím mikroskopem a využití na ferofluidech.]
    Studia geophysica et geodaetica. Roč. 49, č. 2 (2005), s. 153-162. ISSN 0039-3169. E-ISSN 1573-1626
    Institutional research plan: CEZ:AV0Z30130516
    Keywords : magnetic mineralogy * ferrofluid * magnetic susceptibility
    Subject RIV: DE - Earth Magnetism, Geodesy, Geography
    Impact factor: 0.656, year: 2005

    In this study, we report on a method, which allows ferrofluid application under the SEM. We coated a polished basalt sample containing titanomagnetite grains with high demagnetizing fields, with a colloidal suspension containing magnetite particles (ferrofluid) ranging in size between 11 and 20 nm. The different mineralogy observed by this method is confirmed by temperature dependent variation of magnetic susceptibility, revealing titanomagnetite and ilmenohematite as magnetic carriers in the basaltic samples.

    V této studii zavádíme metodu umožňující aplikaci ferrofluid paralelně se skenovacím elektronovým mikroskopem. Výbrus basaltu je pokryt kapalinou obsahující ferrofluid. Metoda umožňuje identifikaci magnetických minerálů pod elektronovým mikroskopem.
    Permanent Link: http://hdl.handle.net/11104/0119277

     
     
Number of the records: 1  

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