Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1980-08-28
1982-01-19
Schor, Kenneth M.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
73 611C, 2101982, 422 89, 422 99, G01N 3108
Patent
active
043116680
ABSTRACT:
The elongated glass filament used in the filament concentrator of a micro cleanup and concentration apparatus for trace residue analysis by gas liquid chromatography includes a jacket with an elongated filament freely suspended from a feed tube and terminating with a distal end situated adjacent the reduced drip tip of the jacket and being centralized thereby due to the inner wall of the flow tip being concentric with but slightly spaced from the outer surface of the distal end of the filament. A hypodermic needle assembly extends between the chromatographic column and the feed tube to meter the eluant through the hypodermic needle, which is readily changed depending upon the flow rate required.
REFERENCES:
patent: 2378949 (1945-06-01), Post
patent: 3010800 (1961-11-01), Whitehead et al.
patent: 3449083 (1969-06-01), Pelick
patent: 3869068 (1975-03-01), Chen
patent: 4012200 (1977-03-01), Leeuw
patent: 4229414 (1980-10-01), Stecher et al.
Analytical Chemistry, vol. 51, pp. 1861-1863, Sep. 1979, Solomon.
Ade Stanley G.
Schor Kenneth M.
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