Browsing by Author "Emmerich, Katja"

Browsing by Author "Emmerich, Katja"

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  • Clays and Clay Minerals, Vol. 57, No. 1, 104–114, 2009. 
    Emmerich, Katja; Wolters, Felicitas; Kahr, Guenter; Lagaly, Gerhard (The Clay Minerals Society, 2009)
    Montmorillonites, with the general composition M+ x(Si4-yAly)[(Al,Fe3+)2-z(Mg,Fe2+)z] O10(OH)2 where x = x = 0.2-0.6, x = y+z, and y<<z, vary widely in composition and structure. The commonly used classification into fivemon ...
  • Clays and Clay Minerals, Vol. 57, No. 1, 115–133, 2009. 
    Wolters, Felicitas; Lagaly, Gerhard; Kahr, Guenter; Nueesch, Rolf; Emmerich, Katja (The Clay Minerals Society, 2009)
    The term ‘montmorillonite’ encompasses a wide range of chemical compositions and structures. Comprehensive and reliable characterization is essential for unambiguous classification. Twenty eight purified, Na-exchanged ...
  • Clays and Clay Minerals, Vol. 57, No. 4, 486–493, 2009. 
    Steudel, Annett; Weidler, Peter G.; Schuhmann, Rainer; Emmerich, Katja (The Clay Minerals Society, 2009)
    The cation exchange capacity (CEC) is a characteristic property of expandable clay minerals, such as smectites and vermiculites. The aim of this work was to examine the cation exchange behavior of vermiculite using the ...
  • Clays and Clay Minerals, Vol. 59, No. 1, 58–74, 2011. 
    Petrick, Kerstin; Diedel, Ralf; Peuker, Miriam; Dieterle, Matthias; Kuch, Paul; Kaden, Rene; Krolla-Sidenstein, Peter; Schuhmann, Rainer; Emmerich, Katja (The Clay Minerals Society, 2011)
    The industrial assessment of ceramic clays commonly consists of the determination of just two parameters, the particle-size distribution and the chemical composition; other parameters may also be important, however. The ...