The Universal Sampling Accessory


Courtesy of Buck Scientific Inc

Infrared Spectroscopy (IR) is one of the most descriptive “tools” available to the analytical organic chemist both for qualitative identification and quantitative determination of single and mixed components. Classically, most samples have been prepared for scanning by transmission, where the thickness becomes a very critical factor in the quality of the final spectrum. If the sample is too thick, it is common to lose bands from over absorption. If the sample is too thin, noise generally overlaps the actual sample peaks. The material typically used in IR work is based on hydroscopic salts, such as NaCl and KBr, which require that the sample be absolutely dry or the sample will fog the salt and ruin the data.

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