Evolution of spectrometric performance of FT-IR in relation to quantitative chemical composition and physical parameter determination

Raymond Roberge; Henry L. Buijs

doi:10.1117/12.166708

31 January 1994 Evolution of spectrometric performance of FTIR in relation to quantitative chemical composition and physical parameter determination

Raymond Roberge, Henry L. Buijs

Author Affiliations +

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166708
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

Near the start of activity in FT-IR, the most important feature was sensitivity as derived from the multiplex and throughput advantages. It permitted weak emission, very high resolution spectroscopy and later the exploitation of such techniques as diffuse reflectance and photoacoustic spectroscopy in the mid IR region. Carefully configured FT-IR systems in well controlled laboratory environments provide excellent reproducibility. This permitted extension to IR spectroscopy where small changes in large signals could be measured. Even today reproducibility is frequently demonstrated as a measure of FT-IR performance via the well known 100% line. Of course in the use of quantitative analysis methods sensitivity and reproducibility are of importance, but they are by no means a complete specification of the performance of an FT-IR based analyzer using a chemometric method.

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Raymond Roberge and Henry L. Buijs "Evolution of spectrometric performance of FTIR in relation to quantitative chemical composition and physical parameter determination", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166708

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