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This paper deals with the use of FT-IR diffuse reflectance measurements for the monitoring of silane-treated naturally occurring kaolin clays. We show quantitative results for three of the most common silanized clays including precision and accuracy data obtained from neat, unprocessed samples. No Kubelka-Munk correction was required since the Δlog (1/ R) values measured were very low, as determined by comparison with Kubelka-Munk corrected data.

Corrected fluorescence spectra are presented for 20 polynuclear aromatic compounds. The applications of corrected spectra, as well as instrumentation and techniques for providing these spectra, are described.

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