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利用原位低温拉曼光谱分析技术,对在设定的实验条件下合成的 CaCl_2-H_2O 体系和 MgCl_2-H_2O 体系的流体包裹体进行分析研究,结果表明低温下 CaCl_2水溶液和 MgCl_2水溶液形成的盐水合物具有各自不同的特征拉曼光谱,通过测定特征光谱,能够简易直接的鉴定这些物质,进而确定盐水体系包裹体的成分。因此,原位低温拉曼光谱技术,能够有效地测定 Ca~(2+)和 Mg~(2+)这两种盐水体系包裹体流体中常见,但显微测温过程难以观察和判别的二价阳离子。实践表明,原位低温拉曼光谱分析技术是对传统的流体包裹体显微测温技术的一个十分有效的补充,在包裹体研究领域会得到越来越广泛的应用。
The fluid inclusions in CaCl 2 -H 2 O system and MgCl 2 -H 2 O system synthesized under the set experimental conditions were analyzed by in situ low-temperature Raman spectroscopy. The results show that the fluid inclusions formed by CaCl 2 aqueous solution and MgCl 2 aqueous solution at low temperature They have different characteristic Raman spectra, which can be easily and directly identified by measuring the characteristic spectra to determine the composition of the brine system inclusions. Therefore, the in-situ low temperature Raman spectroscopy can effectively measure the fluid inclusions in the fluid inclusions of Ca2 + and Mg2 +, but the microscopic temperature measurement is difficult to observe and discriminate Price cations. Practice shows that the in situ low temperature Raman spectroscopy technique is a very effective complement to traditional microscopic temperature measurement of fluid inclusions and will be more and more widely used in the field of fluid inclusion research.