Surface tension detector for liquid chromatography

Details Surface tension detector for liquid chromatography Surface tension detector for liquid chromatography

1985-06-17

1987-03-17

Adee, John

Liquid purification or separation

Processes

Chromatography

73 58, 73 611C, 422 70, 2101982, B01D 1508

Patent

active

046505881

ABSTRACT:
A device for detecting changes in surface tension of eluant from a liquid chromatography column has in a preferred embodiment an arrangement for suspending a droplet of liquid eluting from a liquid chromatography column, a pair of electrodes in contact with the droplet, and a meter for measuring a quantity related to the resistance of the droplet of liquid.
A method for measuring the surface tension of a liquid includes forming a droplet of the liquid, causing the droplet to be supported by support elements, causing each of a pair of electrodes to come into contact with a different region of the droplet, and measuring a quantity related to the resistance of the droplet.

REFERENCES:
patent: 4554064 (1985-11-01), McClintock

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