Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1974-12-17
1976-08-24
Watkins, Donald E.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73422GC, 13762515, G01N 120, G01N 3108
Patent
active
039759466
ABSTRACT:
Sample introduction apparatus useful in liquid chromatography and including a valve body having at least one fluid passage of precisely defined volume to receive a sample material and having another fluid passage delivering carrier liquid to a liquid chromatograph. The valve body can be manipulated to place the precisely defined volume in the chromatograph fluid circuit, so that the sample contained within the volume is positively displaced into the chromatograph.
REFERENCES:
patent: 3071005 (1963-01-01), Skidmore
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patent: 3223123 (1965-12-01), Young
patent: 3297053 (1967-01-01), McKinney
patent: 3475950 (1969-11-01), Ferrin
patent: 3683701 (1972-08-01), Gunther et al.
patent: 3747630 (1973-07-01), Hurrell
patent: 3864978 (1975-02-01), Stephens
patent: 3885439 (1975-05-01), Stone
Ball Dean M.
Camp Ronnie W.
Hendrix Warren P.
Orr, Jr. Clyde
Micromeritics Instrument Corporation
Roskos Joseph W.
Watkins Donald E.
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