High temperature sampling system for liquid chromatography

Details High temperature sampling system for liquid chromatography High temperature sampling system for liquid chromatography

1979-10-03

1981-06-09

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

With heating or cooling

7386483, G01N 110

Patent

active

042717035

ABSTRACT:
A high temperature sampling system is provided for obtaining a sample to be analyzed by liquid chromatography. A sample of a liquid to be analyzed, which is at an elevated temperature, is obtained by utilizing a plurality of valves to fill a sample conduit in a hot zone. The thus obtained sample is diluted and is then provided to a chromatographic analyzer sample valve which is located in a cooler zone. In this manner, samples of liquids are obtainable at temperatures substantially above those temperatures which can be withstood by a chromatographic analyzer sample valve.

REFERENCES:
patent: 3198001 (1965-08-01), Ferrin
patent: 3438261 (1969-04-01), Collins, Jr.
patent: 3506640 (1970-04-01), Reid et al.
patent: 4070913 (1978-01-01), Roof
patent: 4186607 (1980-02-01), Porter et al.

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