. "[602E30C5F689]" . "2" . "WATER LEACHING OF ALKALINE METALS, Al AND Si FROM SELECTED ALUMINOSILICATES"@en . "WATER LEACHING OF ALKALINE METALS, Al AND Si FROM SELECTED ALUMINOSILICATES" . "RIV/61989100:27360/05:00013099" . "Klika, Zden\u011Bk" . "1214-9705" . . . "Weiss, Zden\u011Bk" . "WATER LEACHING OF ALKALINE METALS, Al AND Si FROM SELECTED ALUMINOSILICATES" . "27360" . "10"^^ . . . "Laboratorn\u00ED p\u0159ipraven\u00FD Cs-tetra-ferri-annite, Cs-montmolrillonit a Cs zeolit spolu s p\u0159\u00EDrodn\u00EDmy fylosikikaty (biotit, muscovit, illit, a Na-montmorillonit), ortoklasem, analcimem a zeolity (NaY-Z, Na4A-Z) byly testov\u00E1n y na vyluhov\u00E1n\u00ED alkalick\u00FDch kov\u016F Al a Si ve vodn\u00FDch roztoc\u00EDch p\u0159i teplot\u011B 100\u00B0C. Bylo zji\u0161t\u011Bno, \u017Ee nejh\u016F\u0159e se vyluhuj\u00ED Cs-tetra-ferri-annit a protom\u016F\u017Ee b\u00FDt pou\u017Eit pro fiksaci Cs z radioaktivn\u00EDho Cs odpadu. Cs-montmorillonit v\u00E1\u017Ee Cs+ siln\u011Bji ne\u017E Na1 i\u00EDonty, tak\u017Ee tento materi\u00E1l lze pou\u017E\u00EDt jako venkovn\u00ED bari\u00E9ru schopnou zachycovat p\u0159\u00EDpadn\u00FD \u00FAnik Cs."@cs . "2"^^ . "Vyluhov\u00E1n\u00ED alkalick\u00FDch kov\u016F Al a Si z vybran\u00FDch aluminosilik\u00E1t\u016F ve vod\u011B."@cs . . . "551272" . . "Mellini, Marcello" . "CZ - \u010Cesk\u00E1 republika" . "4(140)" . "3"^^ . "RIV/61989100:27360/05:00013099!RIV06-GA0-27360___" . . "Acta geodynamica et geomaterialia" . "Laboratory prepared mica Cs-tetra-ferri-annite, Cs AlSiO4, Cs-montmorillonite and CS-zeolite 13X together with natural phyllosilicates (biotite, muscovite, illite, and Na-montmorillonite), orthoclase, analcime and zeolites (NaY-Z, Na4A-Z) were tested on leaching of alkaline metals, Al, and Si with water at 100\u00B0C. There was found good potential for leaching of alkali elements. Cesium is better leachable from Cs-minerals (mica, alumosilicate and zeolite) than K or Na from relating K- and Na- mineral analogues. From all samples except zeolites silicon leaches more easily than aluminium. Iron and/or aluminium bonded in octahedral positions in micas and montmorillonites are the least leached elements almos from all samples except zeolites. From tetrahedral position of zeolites the aluminium leaches out easily due to rich pore texture of zeolites. The leaching of alkali elements and aluminium increases with increasing ratio of Al/Si in related solid samples. The structural considerations that led to the hyp" . "cesium; leaching; Cs-tetra-ferri-annite; CsAlSiO4; Cs-zeolite; Cs-montmorillonite"@en . . . . "Laboratory prepared mica Cs-tetra-ferri-annite, Cs AlSiO4, Cs-montmorillonite and CS-zeolite 13X together with natural phyllosilicates (biotite, muscovite, illite, and Na-montmorillonite), orthoclase, analcime and zeolites (NaY-Z, Na4A-Z) were tested on leaching of alkaline metals, Al, and Si with water at 100\u00B0C. There was found good potential for leaching of alkali elements. Cesium is better leachable from Cs-minerals (mica, alumosilicate and zeolite) than K or Na from relating K- and Na- mineral analogues. From all samples except zeolites silicon leaches more easily than aluminium. Iron and/or aluminium bonded in octahedral positions in micas and montmorillonites are the least leached elements almos from all samples except zeolites. From tetrahedral position of zeolites the aluminium leaches out easily due to rich pore texture of zeolites. The leaching of alkali elements and aluminium increases with increasing ratio of Al/Si in related solid samples. The structural considerations that led to the hyp"@en . . . "P(GA104/02/1464)" . . . "WATER LEACHING OF ALKALINE METALS, Al AND Si FROM SELECTED ALUMINOSILICATES"@en . . "81-90" . . . "Vyluhov\u00E1n\u00ED alkalick\u00FDch kov\u016F Al a Si z vybran\u00FDch aluminosilik\u00E1t\u016F ve vod\u011B."@cs .