## Abstract We examined inhibitory effects of external multivalent cations Ni^2+^, Co^2+^, Cd^2+^, La^3+^, Mg^2+^, and Mn^2+^ on reverseโmode exchange of the K^+^โdependent Na^+^/Ca^2+^ exchanger NCKX2 and the K^+^โindependent exchanger NCX1 expressed in CCLโ39 cells by measuring the rate of Ca^2+^
Structural refinements of Na-, K-, and Ca-exchanged gmelinites
โ Scribed by M. Sacerdoti; E. Passaglia; R. Carnevali
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 512 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0144-2449
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The MSssbauer spectra of partially ferrous-exchanged zeolite A samples containing various ratios of Na to Ca have been obtained. Hydrolysis during the preparation of the ferrous exchanged:forms was reduced with increasing contents of calcium ions. The effect of dehydration on the Mossbauer spectra o
Crystal structures of natural and hydrated Na, Ca, Sr and K-exchanged chabazite from Keller (Germany) were refined at room temperature in the R3m space group. The most probable distribution of ions indicates the presence of four cation sites; one at the centre of the hexagonal prism, two in the larg