Artículo
Thompson, S.A.; Andrade, F.J.; Iñón, F.A. "Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions" (2004) Applied Spectroscopy. 58(3):344-348
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Abstract:
A spectroscopic device for monitoring the temperature of aqueous solutions is presented. It uses a 950 nm light emission diode as light source and two photodiodes as detectors. Temperature is monitored following the thermally induced absorbance changes of the water-OH second overtone (∼960 nm). A linear response between the light absorbed by an aqueous solution and its temperature is found in the range from 15 to 95 °C. A prediction error of 0.1 °C and a precision of 0.07 °C in temperature measurement can be achieved. Up to 0.1 M of electrolyte concentration can be present in the solution without significantly affecting the temperature measurement. Different strategies, such as remote (noninvasive) or in situ (using a fiber-optic probe) temperature measurement, are shown, and their relative advantages are discussed.
Registro:
| Documento: | Artículo |
| Título: | Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions |
| Autor: | Thompson, S.A.; Andrade, F.J.; Iñón, F.A. |
| Filiación: | Lab. de Análisis de Trazas, INQUIMAE-Depto. de Quim. Inorg., Ciudad Universitaria, 3er Piso, (C1428EHA) Buenos Aires, Argentina |
| Palabras clave: | NIR water absorption; Noninvasive temperature measurement; Spectroscopic temperature monitoring; Absorption; Bandwidth; Cost effectiveness; Light emitting diodes; Photodiodes; Solutions; Spectroscopic analysis; Temperature measurement; Thermal expansion; Water; NIR water absorption; Noninvasive temperature measurement; Spectroscopic temperature monitoring; Thermometers |
| Año: | 2004 |
| Volumen: | 58 |
| Número: | 3 |
| Página de inicio: | 344 |
| Página de fin: | 348 |
| DOI: | http://dx.doi.org/10.1366/000370204322886717 |
| Título revista: | Applied Spectroscopy |
| Título revista abreviado: | Appl Spectrosc |
| ISSN: | 00037028 |
| CODEN: | APSPA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00037028_v58_n3_p344_Thompson |
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Citas:
---------- APA ----------
Thompson, S.A., Andrade, F.J. & Iñón, F.A. (2004) . Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions. Applied Spectroscopy, 58(3), 344-348.http://dx.doi.org/10.1366/000370204322886717
---------- CHICAGO ----------
Thompson, S.A., Andrade, F.J., Iñón, F.A. "Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions" . Applied Spectroscopy 58, no. 3 (2004) : 344-348.http://dx.doi.org/10.1366/000370204322886717
---------- MLA ----------
Thompson, S.A., Andrade, F.J., Iñón, F.A. "Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions" . Applied Spectroscopy, vol. 58, no. 3, 2004, pp. 344-348.http://dx.doi.org/10.1366/000370204322886717
---------- VANCOUVER ----------
Thompson, S.A., Andrade, F.J., Iñón, F.A. Light Emission Diode Water Thermometer: A Low-Cost and Noninvasive Strategy for Monitoring Temperature in Aqueous Solutions. Appl Spectrosc. 2004;58(3):344-348.http://dx.doi.org/10.1366/000370204322886717
