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Articles, 2 records found
Articles 2 records found  
1.
16 p, 2.4 MB Alteration of spodumene to cookeite and its pressure and temperature stability conditions in Li-bearing aplite-pegmatites from northern Portugal / Bobos, Iuliu (Universidade do Porto) ; Vieillard, Philippe (Université de Poitiers) ; Charoy, Bernard (Ecole Normale Supérieure de Géologie) ; Noronha, Fernando (Universidade do Porto)
The alteration of spodumene to cookeite has been identified in a Li-bearing aplite-pegmatite from northern Portugal. Optical microscopy and scanning and transmission electron microscopy (SEM/TEM) were used to characterize the alteration products in both cookeite + quartz and cookeite, + kaolinite ± mica assemblages. [...]
2007 - 10.1346/CCMN.2007.0550306
Clays and Clay Minerals, Vol. 55, Núm. 3 (2007) , p. 295-310  
2.
8 p, 133.2 KB Baseline studies of the Clay Minerals Society Special Clays : Specific suerface area by the Brunauer Emmett Teller (BET) method / Dogan, Meral (University of Iowa. Department of Civil and Environmental Engineering) ; Umran Dogan, A. (University of Iowa. Department of Chemical and Biochemical Engineering) ; Irem Yesilyurt, F. (Aksaray University. Department of Geological Engineering) ; Alaygut, Dogan (TPAO. Turkish National Petroleum Corporation) ; Buckner, Ira (University of Iowa. College of Pharmacy) ; Wurster, Dale Eric (University of Iowa. College of Pharmacy)
The Clay Minerals Society published a complete characterization scheme for its 'Source Clays' but not for its 'Special Clays'. To address this issue, the specific surface areas (SSAs) of the 16 special clays from The Clay Minerals Society were determined using the Brunauer, Emmett and Teller (BET) method of adsorption of an inert gas. [...]
2007 - 10.1346/CCMN.2007.0550508
Clays and Clay Minerals, Vol. 55, Núm. 5 (2007) , p. 534-541  

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