Low-cost colorimetric sensor for the quantitative detection of gaseous hydrogen sulfide
A simple, rapid and low-cost method for differentiating a wide range of concentrations of gaseous hydrogen sulfide (H 2S) is described. A large dynamic range (50 ppb to 50 ppm) was successfully classified at ambient temperature using a colorimetric sensor array comprised of chemoresponsive dyes coup...
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| Veröffentlicht in: | Sensors and actuators. B, Chemical Chemical, 2008-08, Vol.134 (1), p.234-237 |
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| container_title | Sensors and actuators. B, Chemical |
| container_volume | 134 |
| creator | Sen, Avijit Albarella, Jeffrey D. Carey, James R. Kim, Patrick McNamara, William B. |
| description | A simple, rapid and low-cost method for differentiating a wide range of concentrations of gaseous hydrogen sulfide (H
2S) is described. A large dynamic range (50
ppb to 50
ppm) was successfully classified at ambient temperature using a colorimetric sensor array comprised of chemoresponsive dyes coupled to a commercially available 8-bit flatbed scanner. Principle component analysis of the composite magnitude and kinetics of color change for the array of dye spots over the entire dynamic range resulted in 100% classification. This was achieved by including chemoresponsive dyes which reacted specifically with H
2S at different detection thresholds. |
| doi_str_mv | 10.1016/j.snb.2008.04.046 |
| format | Article |
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ppb to 50
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| fulltext | fulltext |
| identifier | ISSN: 0925-4005 |
| ispartof | Sensors and actuators. B, Chemical, 2008-08, Vol.134 (1), p.234-237 |
| issn | 0925-4005 1873-3077 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1082201549 |
| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Actuators Arrays Color Colorimetric sensor Colorimetry Dyes Dynamic range Gas detection Hydrogen sulfide Hydrogen sulfide sensor Sensor array Sensors |
| title | Low-cost colorimetric sensor for the quantitative detection of gaseous hydrogen sulfide |
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