New Window Material for Near-Infrared Spectroscopy

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Liquid-phase samples absorb very weakly in the near-infrared (NIR) region compared to the fundamental region. To detect weak vibrations in NIR region, one uses cells of relatively high pathlengths ranging from 0.1 cm to 5 cm. The selection of a particular pathlength depends upon the absorption strength of the vibration of interest.

Keywords: Absorbance spectrum; Lambert absorption coefficient; Near-infrared cell; Water

Document Type: Short Communication


Affiliations: Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada

Publication date: May 1, 1993

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