Quinoline Sorption on Na-Montmorillonite: Contributions of the Protonated and Neutral Species
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چکیده
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D-GLUCOSAMINE SORPTION ON Cu(II)-MONTMORILLONITE AS THE PROTONATED A N D NEUTRAL SPECIES
-The adsorption of D-glucosamine (2-amino-2-deoxy-D-glucose) in the protonated or neutral form on homoionic Cu2+-bentonite was investigated by infrared (IR) and electron spin resonance (ESR) spectroscopy and chemical analyses of solution. The results show that the interaction of the glucosamine hydrochloride with the clay complexed a small fraction of interlayer metal ions with neutral amino su...
متن کاملAdsorption of Quinoline to Kaolinite and Montmorillonite
Adsorption of quinoline (pKa 5 4.92) and background electrolyte (CaCl2) onto specimen kaolinite and montmorillonite were measured as a function of pH (3–7.5) and ionic strength (1–10 mM), and as a function of quinoline concentration (0.2–1.55 mM) at fixed pH values of maximum adsorption. Maximum sorption of quinoline occurred at pH 3.5–4.0 for kaolinite, and pH 3.0–5.0 for montmorillonite. At t...
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phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
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چکیده ندارد.
15 صفحه اولQuinoline Sorption on Kaolinite–Humic Acid Complexes
pH and compound ionization. In contrast to the case for neutral PACs, an equilibrium partition model, whereby Adsorption of quinoline (pKa 5 4.92) and background electrolyte NHCs sorb in direct proportion to fOC, is not supported (LiCl) onto specimen kaolinite was measured as a function of surfaceby the available data. Retention of cationic NHCs may bound humic acid (HA) concentration ( fOC 5 0...
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ژورنال
عنوان ژورنال: Clays and Clay Minerals
سال: 1987
ISSN: 0009-8604
DOI: 10.1346/ccmn.1987.0350204