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Science 8 July 1966:
Vol. 153. no. 3732, pp. 172 - 173
DOI: 10.1126/science.153.3732.172
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Articles

Thermal Conductivity Effect of Carrier Gases on Flame-Ionization Detector Sensitivity

R. L. Hoffmann 1 and C. D. Evans 2

1 Northern Regional Research Laboratory, Peoria, Illinois
2 Northern Regional Research Laboratory,* Peoria, Illinois

Data for six carrier gases of different thermal conductivities show a linear correlation between the logarithm of thermal conductivity and detector response. Carbon dioxide with a lower thermal conductivity than helium gives a ninefold increase in detector response.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)