Method and apparatus for measuring interfacial electrokinetic ph

Details Method and apparatus for measuring interfacial electrokinetic ph Method and apparatus for measuring interfacial electrokinetic ph

1981-02-27

1984-02-21

Tokar, Michael J.

Electricity: measuring and testing

Using ionization effects

For analysis of gas, vapor, or particles of matter

324 711, 204180R, 204299R, G01N 2762

Patent

active

044332998

ABSTRACT:
A method and apparatus are disclosed for measuring interfacial electrokinetic phenomena such as electrophoresis by applying stationary electric field to a sample, wherein the voltage between two points in the sample other than the electrodes for an electric current application is detected and the electric current is supplied to the sample to maintain the detected voltage constant, and the sample is preheated while the particles being substantially kept in a stationary state by applying an alternating voltage prior to the application of the stationary voltage, to thereby obtain the mobility of the charged particle in the sample at high accuracy.

REFERENCES:
patent: 2495297 (1950-01-01), Stern
patent: 3806893 (1974-04-01), Ohnishi et al.
patent: 3993945 (1976-11-01), Warmoth et al.

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