Summary
A newly designed thermionic detector was operated in two modes of thermionic ionization detection (TID), and a third mode of catalytic flame ionization detection (CFID). Operating modes were varied by changing the composition of the electrically-heated thermionic/catalytic source, and the composition of gases supplied to the detector. A TID-2 source activated by a low concentration of Cs/ceramic was operated in a dilute H2/air environment and provided specific responses to nitrogen and phosphorus compounds. A TID-1 source activated by a high concentration of Cs/ceramic was operated in a N2 environment and provided very high specificities and picogram detectivities to compounds containing electronegative functional groups such as the NO2 group. A CFID source formed from Ni/ceramic was operated in a H2/air flame environment and provided universal responses to all organics with enhanced responses to some heteroatom compounds.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
B. Kolb, J. Bischoff, J. Chromatogr. Sci.12, 625 (1974).
C. A. Burgett, D. H. Smith, H. B. Bente, J. Chromatogr.134, 57 (1977).
B. Kolb, M. Auer, P. Pospisil, J. Chromatogr. Sci.15, 53 (1977).
P. L. Patterson, R. L. Howe, J. Chromatogr. Sci.16, 275 (1978).
P. L. Patterson, J. Chromatogr.167, 381 (1978).
P. L. Patterson, R. A. Gatten, C. Ontiveros, J. Chromatogr. Sci.20, 97 (1982).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Patterson, P.L. New uses of thermionic ionization detectors in gas chromatography. Chromatographia 16, 107–111 (1982). https://doi.org/10.1007/BF02258879
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02258879