## thermal conductivity detector

in gas chromatography
https://doi.org/10.1351/goldbook.T06300
In general, two cells arranged in a @B00736@ configuration detect the change in @T06299@ of the gas at the output of the column. This detector is sensitive to any substance with @T06299@ different from that of the @C00863@. The lowest detectable limit is between $$0.5$$ and $$100\ \text{ppmv}$$. The linear dynamic range is of the order of $$10^{3}$$. This type of detector is often used for measuring components at relatively high concentrations.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2192 [Terms] [Paper]