Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals
Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals
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DOI：
10.2138/am.2007.2170
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发表时间：
2007-01-01
影响因子：
3.1
通讯作者：
Lane, Melissa D.
中科院分区：
文献类型：
--
作者：
Lane, Melissa D.
中红外热发射光谱的采集，并提出了37种不同的硫酸盐矿物代表斯特伦茨类6/A-D以及其他一些杂项硫酸盐矿物（斯特伦茨类3/C和8/J）。硫酸盐振动模式分配给每个光谱;还分配了组分OH、H2O和碳酸盐（如适用）的模式。还讨论了水化状态对发射率光谱的影响;硫酸钙矿物系列的脱水（例如，石膏-石膏-硬石膏）以及镁-硫酸盐系列导致硫酸盐V（3）带的高频边缘向更大的波数移动。
Mid-infrared thermal emission spectra were acquired and are presented for 37 different sulfate minerals representing Strunz classes 6/A-D as well as a few other miscellaneous sulfate-bearing minerals (Strunz class 3/C and 8/J). Sulfate vibrational modes are assigned to each spectrum; also assigned are the modes of component OH, H2O, and carbonate where applicable. A discussion also is presented regarding the effect of hydration state on the emissivity spectra; dehydration of the Ca-sulfate mineral series (e.g., gypsum-bassanite-anhydrite), as well as the Mg-sulfate series, causes the high-frequency edge of the sulfate v(3) band to shift to a larger wavenumber.