Citation: Xiang Qin Lin, Zhi Xiang Zhang, Wan Qun Hu. A V-shaped spectroscopic cell for FTIR measurements[J]. Chinese Chemical Letters, ;2011, 22(4): 481-484. doi: 10.1016/j.cclet.2010.10.043 shu

A V-shaped spectroscopic cell for FTIR measurements

Department of Chemistry, University of Science and Technology of China, Hefei 230026, China

Received Date: 13 July 2010

A V-shaped spacroscopic cell (V-cell) was constructed using two CaF₂ optical plates for FTIR light transparent measurements in the range of 4000-1000 cm^-1. The spectrum of ethanol was characterized with the standard spectra, excellent fitting was achieved with a bottom-width correction method. The principle of the V-cell was discussed, giving equations for the data interpretation. It shows that the V-cell is an auto-focus type spectroscopic cell, which can effectively avoid absorption saturation with amplifications for weak absorption bands. The V-cell design is simple and effective, easy to operate, suitable for applications in liquid samples with high absorption bands, willing to have broad application prospects.
- V-shaped cell,
- FTIR spectroscopy,
- Light transparent,
- Error correction,
- Demountable,
- Ethanol
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