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19 November 2003 Accurate gas mixture concentration measurements without the use of reference gases
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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.530338
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy
Abstract
The aim of this work is to demonstrate the potential of a novel method, based on optical spectroscopy, as a primary method for quantitative gas analysis. The interest of this technique stays in the possibility to realize sensors, even very compact, that guarantee also to the in-field measurements reliable values that is the metrological traceability, without the use of certified calibrated mixtures. This techniques is suitable for reactive gases and for gas in trace, where traditional methods fail. Gas mixtures concentration measurements have been done of SF6 in Nitrogen. The obtained results have been compared with certified mixtures values. The uncertainty budget shows a reproducibility of the measurements of 0,01in volume, and an accuracy depending on available spectroscopic data.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Maria Paola Sassi, Massimo Zucco, and Ettore Malgeri "Accurate gas mixture concentration measurements without the use of reference gases", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.530338
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