Electrode having membrane with ion selective properties

Details Electrode having membrane with ion selective properties Electrode having membrane with ion selective properties

1978-11-13

1980-12-02

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204296, 260 291SB, G01N 2730

Patent

active

042369878

ABSTRACT:
There is provided a novel type of ion selective membrane comprising a non-ion selective carrier, and an ion selective active phase molecule having a hydrophilic segment and a lipophilic periphery. In the preferred embodiment said molecule is a siloxane molecule whose Si-O-Groups are open chain, branch chain or cyclically oriented. These ion selective membranes are useful in the selective detection of alkali- and alkaline-earth metals. There is further provided an electrode for use with such a membrane.

REFERENCES:
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patent: 3994995 (1976-11-01), Frey et al.
patent: 4129543 (1978-12-01), Kaplan
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patent: 4133735 (1979-01-01), Afromowitz et al.
patent: 4135999 (1979-01-01), Schindler et al.
G. R. J. Christoffersen et al., Analytical Chimica Acta, 81, pp. 191-195, 976).
R. P. Kraig et al., Science, vol. 194, No. 4266, pp. 725-726, (1976).

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