Compounds Limit of Detection (ppmv/v)
FID TCD FPD
Methane 3.0 250 ns
Ethene 0.5 n.a. ns
Ethane 0.5 n.a. ns
Propene 0.5 n.a. ns
Propane 0.5 n.a. ns
Butene 0.5 n.a. ns
Buthane 0.5 n.a. ns
Pentane 0.5 n.a. ns
Carbon dioxide 3.0 290 ns
Carbon monoxide 1.0 670 ns
Hydrogen ns 3000 ns
Oxygene ns 800 ns
Nitrogen ns 700 ns
Sulfur dioxide ns n.a. 0.001
ns - nonspecific detector
n.a. - not applicable for this methodology
Table 3: Limits of detection of gases.