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Optimum Diameter of Fourier Transform Infrared Microsampling Cell

Volume 30, Number 3 (June 1976) Page 353-354

Hirschfeld, Tomas


In optimizing the clear radius of a KBr micropellet or liquid microcell measurements in an Fourier transform infrared (FTIR) spectrometer, a tradeoff can be made between the reduction in the transmitted energy, which limits scale expansion, and the increased absorptivity resulting from an equal amount of sample spread over a smaller area.