Overcoat compositions and ion-selective electrodes for ionic ana

Details Overcoat compositions and ion-selective electrodes for ionic ana Overcoat compositions and ion-selective electrodes for ionic ana

1984-01-10

1985-03-19

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204416, 252312, 436175, 524714, 524755, 524757, G01N 2730

Patent

active

045058016

ABSTRACT:
An overcoat composition for use in ion-selective electrodes comprises: (a) a discontinuous liquid phase comprising an oleophilic solvent dispersed within a continuous phase comprising a hydrophilic binder; (b) a complexing agent useful for extracting oleophilic anions; (c) a buffer which provides a pH in the range of from about 7.5 to about 9.5 under conditions of use; and (d) a nucleating agent. This overcoat composition is particularly useful in ion-selective electrodes for determination of CO.sub.2.

REFERENCES:
patent: Re27888 (1974-01-01), Li
patent: Re28002 (1974-04-01), Li
patent: Re30125 (1979-10-01), Li et al.
patent: 4214968 (1980-07-01), Battaglia et al.
patent: 4272328 (1981-06-01), Kim et al.
patent: 4303408 (1981-12-01), Kim et al.

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