Abstract
THREE highly sensitive gas ionization methods for the detection of volatile substances have been reported : the hydrogen flame ionization detector1, the ‘argon’ detector2, and the electron affinity ionization detector3. These devices are practical and efficient in the measurement of low concentrations of organic vapours ; they suffer, however, the disadvantage of a slight or negligible response to most permanent gases. This communication describes a sensitive ionization- method of measuring the concentration of all permanent gases, except the noble gases, in an argon carrier-gas stream.
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References
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LOVELOCK, J. An Ionization Detector for Permanent Gases. Nature 187, 49–50 (1960). https://doi.org/10.1038/187049a0
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DOI: https://doi.org/10.1038/187049a0
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