Detection of tracer materials in the atmosphere

Details Detection of tracer materials in the atmosphere Detection of tracer materials in the atmosphere

1979-03-23

1981-12-08

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

23232E, 250304, 250382, 422 94, 422 78, G01N 2700, G01N 3110

Patent

active

043047521

ABSTRACT:
As oxygen is an electron absorber it is desirable, when monitoring an atmospheric flow for the presence of tracer materials capable of detection in an electron capture detector, to remove the oxygen from the flow to the detector. The invention introduces a hydrogen supply directly into the atmospheric flow to allow the hydrogen to combine catalytically with the oxygen content of the flow to form water or water vapor. The thus formed water or water vapor is extracted from the flow proceeding to the detector. The reaction can occur within a palladium or palladium alloy conduit forming a part of the flow path to the detector.

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patent: 3883739 (1975-05-01), Jenkins
patent: 3997297 (1976-12-01), Jenkins et al.
patent: 4019863 (1977-04-01), Jenkins et al.
patent: 4166379 (1979-09-01), Bradshaw

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