Tutorial review. Qualitative analysis in the near-infrared region
- 1 January 1994
- journal article
- review article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 119 (11) , 2367-2375
- https://doi.org/10.1039/an9941902367
Abstract
This review provides an up-to-date overview of the chemometric approaches available to users of near-infrared spectroscopy specifically for the solution of qualitative analytical problems. The problems addressed include discrimination between similar materials of different functional classes; identification of pure chemicals using a previously established spectral library; selection of optimum calibration sample sets with detection of outlying and redundant samples; and preliminary investigations into the analysis of mixtures. Among procedures discussed are discriminant methods (both supervised and unsupervised) and pattern recognition techniques.Keywords
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