Novel environmental control chamber for FT-Raman spectroscopy: Study of in situ phase change of sulfur

被引:16
作者
Edwards, HGM
Farwell, DW
Turner, JMC
Williams, AC
机构
[1] Chemistry and Chemical Technology, University of Bradford
[2] Dept. of Pharmaceutical Technology, School of Pharmacy, University of Bradford
关键词
FT-Raman spectroscopy; phase change; environmental control; sulfur;
D O I
10.1366/0003702971938830
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The adaptation and construction of an environmental chamber suitable for FT-Raman spectroscopy is described for the recording of Raman spectra of specimens at temperatures from 25 to 125 degrees C while exposed to different controlled synthetic atmospheric conditions. Test spectra were obtained from sulfur to illustrate the stability and applications of the system. The alpha rhombic/beta monoclinic phase change in sulfur was monitored as a function of time, and bands sensitive to this phase change have been identified.
引用
收藏
页码:101 / 107
页数:7
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