نتایج جستجو برای: montmorillonites
تعداد نتایج: 166 فیلتر نتایج به سال:
Low dimensional metal sulfide particles have been prepared in the interlayers of montmorillonites via reactions of the metal ion-exchanged clay minerals in aqueous dispersions with gaseous hydrogen sulfide. The montmorillonites separated from the Wyoming (USA) and Jelšový Potok (Slovakia) bentonites were saturated with Pb or Zn. In the final nanohybrids, the smectite mineral can be incorporated...
Thermodynamic analysis of simultaneous and sequential adsorption of crystal violet (CV) and 2-naphthol adsorption on montmorillonite has been conducted, and the changes of microstructure of the clay after adsorption were investigated using X-ray diffraction (XRD). The basal spacing and structural order of CV and 2-naphthol adsorbed montmorillonites varied with different CV loadings. In principl...
Sodium Montmorillonite (NaMMT) has been modified via cation exchange reaction using three different organic cations. Basal spacings, interlamellar structure and thermal stability of these organo-montmorillonites (OMMT) clays have been characterized using wide angle X-ray diffraction (WAXD) and thermogravimetric analysis (TGA) techniques. Increase in the basal spacing due to organic modification...
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