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23 February 1999 Near-infrared spectroscopy for LPG quality control
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Proceedings Volume 3540, Chemical, Biochemical, and Environmental Fiber Sensors X; (1999) https://doi.org/10.1117/12.339780
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States
Abstract
The analysis of the composition of liquefied petroleum gases is currently carried out by gas chromatography. This method is accurate, but is expensive and it is not practical for use in a low cost, field portable instrument. It has been shown that sufficient information can be obtained from the near infrared absorption spectra for the components of LPG to be distinguished. Two instruments are described: a novel device based on a number of low cost infrared light emitting diodes with a single detector, and a more conventional filter wheel based device. Experimental results indicate that an infrared system may be used to provide a robust and cost effective method of quality control of LPG products.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James D. Ryan, Paul C. Russell, Gordon R. Jones, C. A. Gerrard, and D. Strachan "Near-infrared spectroscopy for LPG quality control", Proc. SPIE 3540, Chemical, Biochemical, and Environmental Fiber Sensors X, (23 February 1999); https://doi.org/10.1117/12.339780
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