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The increasing popularity of Fourier Transform Near-Infrared (FT-NIR) spectroscopy is primarily due to the fundamental advantages of this technology for developing chemometric methods.
Since creating and validating chemometric methods requires a substantial investment of both time and money, reproducibility of spectral data is essential. This note discusses the effect of replacing laser and source on the reproducibility of spectral data. The change in peak locations after replacing the laser and source are presented. The effect of replacing the source on line shape and band intensity is examined.
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