| Issue |
EPJ Web Conf.
Volume 266, 2022
EOS Annual Meeting (EOSAM 2022)
|
|
|---|---|---|
| Article Number | 13023 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 13- Advances and Applications of Optics and Photonics | |
| DOI | https://doi.org/10.1051/epjconf/202226613023 | |
| Published online | 13 October 2022 | |
https://doi.org/10.1051/epjconf/202226613023
Plug and Play Colorimetric Carbon Dioxide Sensor
1 Department of Physics and Astronomy, Faculty of Sciences of University of Porto, 4169-007 Porto, Portugal
2 INESC TEC – Institute for Systems and Computer Engineering, Technology and Science, and Faculty of Sciences of University of Porto, 4169-007 Porto, Portugal
3 Chemistry Research Unit – Chemistry and Biochemistry Department, Faculty of Sciences of University of Porto, 4169-007, Porto, Portugal
* NM: nuno.a.mendes@inesctec.pt; JM: joao.p.mendes@inesctec.pt; PJ: pedro.jorge@inesctec.pt; LC: luis.c.coelho@inesctec.pt
Published online: 13 October 2022
Carbon dioxide measurement is an important endeavor in many industries such as food packaging, grain storage and health industry. This work presents a reversible, plug and play and low-cost colorimetric CO2 sensor calibrated in a proper concentration ranging from 1% to 3% of CO2. The sensor showed potential for improvement to increase resolution, for measuring lower CO2 concentrations and for more accurate readings.
© The Authors, published by EDP Sciences
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