A method to collect an infrared spectrum in solution. |
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| Authors: | Hai-shui Wang Fei Lu Hongju Zhai |
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| Affiliation: | Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China. hswhsw2000@yahoo.com.cn |
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| Abstract: | Herein we report a new method to collect a qualified infrared spectrum of a solute in solution by two solvent cells with different thickness during background single-beam spectrum scanning. By collecting the background spectrum with two cells (two stages), we successfully achieved accurate solvent compensation between a sample and a reference, namely, the solvent amounts in the sample and background measurements could become congruent. Therefore, the solvent bands were thoroughly suppressed in the infrared spectrum and a qualified spectrum of the solute was obtained. |
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