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    A measurement system for the atmospheric trace gases CH4 and CO (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A system for measuring ambient clean air levels of the atmospheric trace gases methane and carbon monoxide is described. The analytical method consists of a gas chromatographic technique that incorporates sample preconcentration with catalytic conversion of CO to CH4 and subsequent flame ionization detection of these gases. The system has sufficient sensitivity and repeatability to make the precise measurements required to establish concentration profiles for CO and CH4 in the planetary boundary layer. A discussion of the bottle sampling program being conducted to obtain the samples for the concentration profiles is also presented.
    Keywords: GEOPHYSICS
    Type: NASA-CR-154984 , PGSTR-AP77-61
    Format: application/pdf
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