Apparatus for analysis of absorbed gases

Details Apparatus for analysis of absorbed gases Apparatus for analysis of absorbed gases

1978-08-18

1981-01-13

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55270, 73 19, 128632, B01D 5322

Patent

active

042447135

ABSTRACT:
A gas permeable probe for use in the analysis of absorbed gases in liquids, notably in the blood, by mass spectroscopy, comprises a flexible plastics capillary tube fitted at one end with a plug of porous material and covered with a protective layer of polymeric material. The gas permeability of the porous plug is substantially less than that of the polymeric layer so that it is the plug which defines the gas flow from the liquid under test into the tube when the tube is evacuated.

REFERENCES:
patent: 3413777 (1968-12-01), Langley et al.
patent: 3499265 (1970-03-01), Langley et al.
patent: 3673864 (1972-07-01), Cubberly, Jr.
patent: 3751879 (1973-08-01), Allington
patent: 3803810 (1974-04-01), Rosenberg
patent: 3828527 (1974-08-01), Briggs et al.
patent: 3911080 (1975-10-01), Mehl et al.
patent: 3952730 (1976-04-01), Key
patent: 4058373 (1977-11-01), Kurz et al.

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