UAB Digital Repository of Documents 426 records found  beginprevious417 - 426  jump to record: Search took 0.01 seconds. 
417.
18 p, 1.7 MB Smectite formation in submarine hydrothermal sediments : Samples from the HMS Challenger expedition (1872-1876) / Cuadros, Javier (Natural History Museum. Department of Mineralogy) ; Dekov, Vesselin M. (University of Sofia. Department of Geology and Paleontology) ; Arroyo, Xabier (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Nieto, Fernando (Universidad de Granada. Departamento de Mineralogía y Petrología)
Clay processes, mineral reactions, and element budgets in oceans continue to be important topics for scientific investigation, particularly with respect to understanding better the roles of chemistry, formation mechanism, and input from hydrothermal fluids, seawater, and non-hydrothermal mineral phases. [...]
2011 - 10.1346/CCMN.2011.0590204
Clays and Clay Minerals, Vol. 59, Núm. 2 (2011) , p. 147-164  
418.
11 p, 938.5 KB Acidic dissolution of magnetite : Experimental study on the effects of acid concentration and temperature / Salmimies, Riina (Lappeenranta University of Technology. LUT Chemistry) ; Mannila, Marju (Lappeenranta University of Technology. LUT Chemistry) ; Kallas, Juha (Lappeenranta University of Technology. LUT Chemistry) ; Häkkinen, Antti (Lappeenranta University of Technology. LUT Chemistry)
Magnetite (Fe O ) is a key economically valuable component in iron ore and is extracted by dissolution processes, but among the Fe (oxyhydr)oxides its solubility behavior is one of the least understood. [...]
2011 - 10.1346/CCMN.2011.0590203
Clays and Clay Minerals, Vol. 59, Núm. 2 (2011) , p. 136-146  
419.
20 p, 1.4 MB Surface area and porosity of nanotubes obtained from kaolin minerals of different structural order / Matusik, Jakub (AGH University of Science and Technology. Geophysics and Environmental Protection) ; Wisła-Walsh, Ewa (AGH University of Science and Technology. Faculty of Mechanical Engineering and Robotics) ; Gaweł, Adam (AGH University of Science and Technology. Geophysics and Environmental Protection) ; Bielańska, Elzbieta (Institute of Catalysis and Surface Chemistry. Polish Academy of Sciences) ; Bahranowski, Krzysztof (AGH University of Science and Technology. Geophysics and Environmental Protection)
Mesoporous materials with pore diameters in the range 2-50 nm forming tubular or fibrous structures are of great interest due to their unique properties. Because they are commonly used as sorbents and catalyst carriers, knowledge of their surface area and porosity is critical. [...]
2011 - 10.1346/CCMN.2011.0590202
Clays and Clay Minerals, Vol. 59, Núm. 2 (2011) , p. 116-135  
420.
9 p, 895.9 KB A comparison of point of zero charge measurement methodology / Cristiano, Elena (Lawrence Berkeley National Laboratory. Nuclear Science Division) ; Hu, Yung-Jin (University of California, Berkeley. Department of Chemistry) ; Siegfried, Matthew (Savannah River National Laboratory) ; Kaplan, Daniel (Savannah River National Laboratory) ; Nitsche, Heino (University of California, Berkeley. Department of Chemistry)
Contaminant-transport modeling requires information about the charge of subsurface particle surfaces. Because values are commonly reused many times in a single simulation, small errors can be magnified greatly. [...]
2011 - 10.1346/CCMN.2011.0590201
Clays and Clay Minerals, Vol. 59, Núm. 2 (2011) , p. 107-115  
421.
3 p, 90.7 KB Reply to the comment by Vidal, Dubacq, and Lanari on "The role of H3O+ in the crystal structure of illite" / Nieto, Fernando (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Mellini, Marcello (Università di Siena. Dipartimento di Scienze della Terra) ; Abad, Isabel (Universidad de Jaén. Departamento de Geología)
The arguments of Vidal et al. (2010) against the incorporation of HO rather than of HO in the interlayer position of illite are disputable. Stoichiometric arguments do indeed suggest that the excess water in the Silver Hill illite is in the formof HO. [...]
2010 - 10.1346/CCMN.2010.0580511
Clays and Clay Minerals, Vol. 58, Núm. 5 (2010) , p. 721-723  
422.
4 p, 167.2 KB Comment on "the role of H3O+ in the crystal structure of illite" by F. Nieto, M. Melini, and I. Abad / Vidal, Olivier (Université Grenoble) ; Dubacq, Benoît (University of Cambridge. Department of Earth Sciences) ; Lanari, Pierre (Université Grenoble)
The arguments of Nieto et al. (2010) in favor of the incorporation of HO rather than HO in interlayer positions of illite are disputable. Stoichiometric arguments suggest that the excess water in the Silver Hill illite is in the form of HO. [...]
2010 - 10.1346/CCMN.2010.0580510
Clays and Clay Minerals, Vol. 58, Núm. 5 (2010) , p. 717-720  
423.
9 p, 591.8 KB Adsorption of neutral red dye from an aqueous solution onto natural sepiolite using full factorial design / Çoruh, Semra (Ondokuz Mayis University. Department of Environmental Engineering) ; Geyikçi, Feza (Ondokuz Mayis University. Department of Chemical Engineering) ; Elevli, Sermin (Ondokuz Mayis University. Department of Industrial Engineering)
The main objective of factorial design is to construct an empirical model to understand complex phenomena such as a purification process up to a given level of accuracy. The present study aimed to investigate the adsorption of Neutral Red dye (NR) from an aqueous solution onto sepiolite using 2 full factorial design. [...]
2011 - 10.1346/CCMN.2011.0590607
Clays and Clay Minerals, Vol. 59, Núm. 6 (2011) , p. 617-625  
424.
9 p, 458.2 KB Illite from Muloorina, South Australia / Eggleton, Richard A. (Australian National University. Research School of Earth Sciences) ; Gerald, John Fitz (Australian National University. Research School of Earth Sciences)
Illite from Muloorina, just south of Lake Eyre in South Australia, is commonly used as a standard ferric iron-bearing illite which has a cation exchange capacity (CEC) of ~22 meq/100 g, too high a value for this clay to conform to the most recent conclusions about illite composition. [...]
2011 - 10.1346/CCMN.2011.0590606
Clays and Clay Minerals, Vol. 59, Núm. 6 (2011) , p. 608-616  
425.
12 p, 1.0 MB X-ray diffraction line broadening on vibrating dry-milled two crows sepiolite / Bastida, Joaquin (Universitat de València. Departament de Botànica i Geologia) ; Kojdecki, Marek A. (Wojskowa Akademia Techniczna. Instytut Matematyki i Kryptologii) ; Pardo, Pablo (Universitat de València. Departament de Botànica i Geologia) ; Amorós, Pedro (Universitat de València. Instituto de Ciencia de Materiales)
A reference sample of sepiolite and products of its comminution by vibrating dry-milling have been studied using X-ray diffraction (XRD) line-broadening analysis, complementary field emission scanning electron microscopy (FESEM) images and surface area measurements. [...]
2006 - 10.1346/CCMN.2006.0540310
Clays and Clay Minerals, Vol. 54, Núm. 3 (2006) , p. 390-401  
426.
6 p, 488.5 KB Mechanism of adsorption of water vapor by muscovite : A model based on adsorption calorimetry / Rakhmatkariev, Gairat (Academy of Sciences of Uzbekistan. Institute of General and Inorganic Chemistry)
Adsorption isotherms and differential heats of adsorption of water vapor by muscovite were measured at 303 K. The heats of adsorption are stepwise and each step corresponds to the stoichiometric formation of adsorption complexes of HO molecules with K ions, (HO)/K, (n = 1-6), which are located on the basal and lateral (edge) faces. [...]
2006 - 10.1346/CCMN.2006.0540311
Clays and Clay Minerals, Vol. 54, Núm. 3 (2006) , p. 402-407  

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