Effect of cations (Na+, Ca2+, Fe3+) on the conductivity of a Nafion membrane
β Scribed by Kitiya Hongsirikarn; James G. Goodwin Jr; Scott Greenway; Stephen Creager
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 441 KB
- Volume
- 195
- Category
- Article
- ISSN
- 0378-7753
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## Abstract The effect of Ca^+2^ on the transport and intracellular distribution of Na^+^ and K^+^ in Ehrlich ascites tumor cells was investigated in an effort to establish the mechanism of Ca^+2^βinduced hyperpolarization of the cell membrane. Inclusion of Ca^+2^ (2mM) in the incubation medium lea
Nafion 112 membranes were soaked in 1 M H 2 SO 4 solutions containing variable amounts of Fe and Cr ions, either individually or mixed. An even distribution of the metal ions on the surface of the membranes was observed with electron probe microanalysis (EPMA) mapping. The proton conductivity of the