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Mechanism of cation uptake by zirconia gels

โœ Scribed by Jehane Ragai; Sami Tobia; Manal El-Saidi


Publisher
Elsevier Science
Year
1991
Weight
899 KB
Volume
58
Category
Article
ISSN
0166-6622

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๐Ÿ“œ SIMILAR VOLUMES


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The results of potentiometric studies of the polymerization of silicic acid and the mechanism of cation exchange on different ionic forms of silica gel are considered in terms of modern concepts of the properties of siloxane bonds. \* Because of the increased (p + d)n interaction in Si-0' bondss\*9.

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Atomic absorption spectroscopy was used to assess uptake of Ag+l, A u + ~, Cd+2, CU'~, In+3, Ni+2, Pd+', and Zn+' by in vitro cultures of Balb/c 3T3 fibroblasts as a function of concentration of the cations in cell-culture medium. Reversibility of this uptake was also measured. Metal cations exhibit