In-Situ FTIR Investigations on Nominally Anhydrous Minerals at Varying Temperatures
详细信息
- 责任者：Yang Yan (Key Laboratory of Crust-Mantle Materials and Environments ; CAS ; School of Earth and Space Sciences ; University of Science and Technology of China ; Hefei 230026 ; China) ; Xia Qunke
- 刊名：Acta Petrologica Sinica
- 出版年：2011
- 卷期：27(2)
- 关键词：红外光谱 ; infrared spectra ; 矿物成分 ; mineral composition ; 结构水 ; constitutional water
- 页码：p.566-578
- 图表：13 illus., 90 refs.
- 分类号：0700
- 出版序号：20120132
- issnNo：ISSN1000-0569
- isbnNo：CN11-1922/P
摘要
In-situ FTIR analysis at varying temperatures can be used to obtain the spectra under different temperatures timely, so it is widely utilized in studying behavior of OH and H2O in hydrous minerals and glasses. Examining the variation of such spectra parameters as band position, band shape and band number with temperature can be used to study the dehydration mechanisms and diffusivity of hydrous minerals and glasses. Further studies in NAMs by this technique will be focused on the followings: 1) quantifying the temperature-dependence of OH IR absorption coefficient; 2) expanding the study of dehydration mechanism and kinetics; and 3) exploring the OH incorporation mechanism.
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