Measuring probe for the potentiometric determination of ion conc

Details Measuring probe for the potentiometric determination of ion conc Measuring probe for the potentiometric determination of ion conc

1988-08-15

1990-09-25

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204401, 204416, 204435, G01N 2730

Patent

active

049591380

ABSTRACT:
A measuring probe in which the electrolyte is in the form of a highly viscous gel produced in situ from an ion-permeable polymer and a neutral salt suspension. Homogeneously suspended neutral salt particles in the gel cause the gel to have a turbid appearance which disappears progressively as the suspended neutral salt particles pass into solution, thus indicating at all times the state of aging of the electrolyte. The additional presence of silica gel renders the probe potential resistant to pressures in excess of 10 bars.

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patent: 4390406 (1983-06-01), Kato et al.

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