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首页> 外文期刊>The American mineralogist >A new optical cell for in situ Raman spectroscopy, and its application to study sulfur-bearing fluids at elevated pressures and temperatures
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A new optical cell for in situ Raman spectroscopy, and its application to study sulfur-bearing fluids at elevated pressures and temperatures

机译：用于原位拉曼光谱的新光电池及其在升高压力和温度下研究含硫流体的应用

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摘要

Sulfur is an important component in volcanic gases at the Earth surface but also present in the deep Earth in hydrothermal or magmatic fluids. Little is known about the evolution of such fluids during ascent in the crust. A new optical cell was developed for in situ Raman spectroscopic investigations on fluids allowing abrupt or continuous changes of pressure up to 200 MPa at temperatures up to 750 degrees C. The concept is based on a flexible gold bellow, which separates the sample fluid from the pressure medium water. To avoid reactions between aggressive fluids and the pressure cell, steel components in contact with the fluid are shielded by gold foil.
机译：硫是地球表面的火山气体中的重要组成部分，但也存在于水热或岩浆液中的深海中。 关于在地壳中的上升期间这种流体的演变很少。 开发了一种新的光学电池，用于原位拉曼对流体的光谱调查，允许在高达750℃的温度下突然或连续的压力变化高达200MPa的压力。该概念基于柔性金圆波，其将样品流体与柔性金圆珠分开 压力中水。 为了避免侵蚀性液体和压力电池之间的反应，与流体接触的钢部件被金箔屏蔽。

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