Research Article
Development of a Novel Micro Photoionization Detector for Rapid Volatile Organic Compounds Measurement
Table 1
Performance comparison table of odor detectors.
| | Name | Abbr. | Applicable substance | Selectivity | Carrier gas | Linear range | LOD | Temperature upper limit |
| | Thermal conductivity detector | TCD | All compounds | Nonselective | H2, He, N2 | 105 | 10−7–10−9 | 450 | | Flame ionization detector | FID | Organic compound | No reaction to permanent gases or formic acid | H2, He, N2 | 5 × 106–5 × 107 | 10−11–10−14 | 450 [2] | | Photoionization detector | PID | A compound below the maximum ionization energy | Most organic compounds | H2, He, N2, air | 107–108 | 10−13 | 250 [3] | | Electronic capture detector | ECD | Compounds containing oxygen or halogen | Good response to electronegative compounds | Ar, N2 + CH4 | 102–104 | 10−13–10−14 | 400 | | Ion migration spectrum detector | IMS | Organic matter and toxic substances [4] | Most organic compounds | He, N2 | 104–105 | 10−10 | 300 |
|
|
