Počet záznamů: 1

Characterization and Differentiation of Kaolins from selected Czech Deposites using infrared spectroscopy and differential thermal analysis

  1. 1.
    0369468 - UGN-S 2012 RIV CZ eng J - Článek v odborném periodiku
    Vaculíková, Lenka - Plevová, Eva - Vallová, S. - Koutník, I.
    Characterization and Differentiation of Kaolins from selected Czech Deposites using infrared spectroscopy and differential thermal analysis.
    Acta geodynamica et geomaterialia. Roč. 8, č. 1 (2011), s. 59-67 ISSN 1214-9705
    Grant CEP: GA ČR GA105/08/1398; GA ČR GP105/07/P416
    Výzkumný záměr: CEZ:AV0Z30860518
    Klíčová slova: kaolins * infrared spectroscopy * thermal analysis
    Kód oboru RIV: DB - Geologie a mineralogie
    Impakt faktor: 0.530, rok: 2011
    http://www.irsm.cas.cz/abstracts/AGG/01_11/5_Vaculikova.pdf http://www.irsm.cas.cz/abstracts/AGG/01_11/5_Vaculikova.pdf

    This paper reports the possibilities of using FTIR spectroscopy and simultaneous thermogravimetry and differential thermal analysis for examination of structural order of four Czech kaolinite samples (Jimlikov, Sedlec, Olomoucany and Unanov deposits) and one kaolinite standard KGa-1b from Georgia deposit obtained from the Source Clays Repository of The Clay Minerals Society (USA). FTIR spectroscopy was used for the classification of the degree of structural order of kaolinite samples by empirical (IR-E) and numerical (IR-N) classification. Differential thermal analysis was used for the determination of the kaolinite disorder degree according to decomposition peak temperature obtained from DTA curves. The resulting trend of decrease in orderliness is: KGa-1b (with the best orderliness) › Jimlikov › Sedlec › Olomucany › Unanov (with the worst orderliness.
    Trvalý link: http://hdl.handle.net/11104/0203522
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