Method of and device for moving liquid samples

Details Method of and device for moving liquid samples Method of and device for moving liquid samples

1979-03-06

1980-05-20

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204180G, 204299R, 137 86, 137154, 1372055, 73 611C, G01N 2726, G01N 3108

Patent

active

042038170

ABSTRACT:
The invention is in concern of a method and a device for moving a liquid sample material in a measuring chamber, particularly for use in electrophoretic measurements. To permit precise measurements the remaining sample material is prevented from mixing with the sample material under test. The valves employed have to be closed in the course of the sample movement. This is realized in displacing the sample material by means of two pistons rigidly connected to each other and arranged in a by-pass of the measuring chamber.

REFERENCES:
patent: 2064627 (1936-12-01), Paine
patent: 2698023 (1954-12-01), Eckman
patent: 3585863 (1971-06-01), Hrdina
patent: 3654959 (1972-04-01), Kassel
patent: 3690340 (1972-09-01), Sipin
patent: 3764512 (1973-10-01), Greenwood et al.
patent: 3793180 (1974-02-01), Flower et al.
patent: 3795600 (1974-03-01), Allington
patent: 3831618 (1974-08-01), Liston
patent: 3948607 (1976-04-01), Atwood et al.

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