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A novel, low-cost, portable PID sensor for the detection of volatile organic compounds
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Agbroko, Samuel O. and Covington, James A. (2018) A novel, low-cost, portable PID sensor for the detection of volatile organic compounds. Sensors and Actuators B: Chemical, 275 . pp. 10-15. doi:10.1016/j.snb.2018.07.173
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Official URL: http://dx.doi.org/10.1016/j.snb.2018.07.173
Abstract
We report on the design, fabrication and verification of a portable, low cost PID. Unlike commercial PID sensors, ours provides two outputs. One output correlates to the total chemical components and a second that provides some level of compositional information. We believe that this makes this sensor system more useful than a standard commercial PID, at a similar cost point. Our PID sensor was tested with gas concentrations down to 2 ppm isobutylene. The results presented indicate that the limit of detection will be well below 1 ppm. Compositional analysis was also carried out and the results presented shows our sensor can successfully discriminate between low concentrations of 2-hexanone, isobutylene, propanol, 2-pentanone, 2-octanone and 2-heptanone.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QC Physics | ||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Photoionization, Volatile organic compounds | ||||||||
| Journal or Publication Title: | Sensors and Actuators B: Chemical | ||||||||
| Publisher: | Elsevier Science SA | ||||||||
| ISSN: | 0925-4005 | ||||||||
| Official Date: | 1 December 2018 | ||||||||
| Dates: |
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| Volume: | 275 | ||||||||
| Page Range: | pp. 10-15 | ||||||||
| DOI: | 10.1016/j.snb.2018.07.173 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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