Gadisunkapur地区矿物的脱羟基作用及其红外光谱和热研究

Marularadhya C. Hiremath, A. Sreenivasa
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引用次数: 0

摘要

本文试图解释云母与某些硫酸盐、绿泥石、石英和长石矿物中OH基团的存在。这些矿物与黄冈-库什塔吉片岩带Gadisunkapur地区的重晶石脉、变质沉积物(石英-绿泥石片岩)、变质玄武岩和各种花岗质岩石有关。样品采集于卡纳塔克邦Bagalkote县Gadisunkapur村及其周边地区,并根据FTIR和热分析(如热重分析(TGA)和差热分析(DTA))等热研究进一步处理以确定不同矿物中的OH -阴离子。用这种分析方法研究了高温脱羟基反应。此外,本研究表明存在不同的额外物种(CO2, CO32-和OH-)。结果表明,二氧化碳的加入是由于加热或脱氧过程的增强。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dehydroxylation of Minerals of Gadisunkapur Area with Special Reference to FTIR and Thermal Study
This paper attempts to explain the presence of OH group for micas along with some sulfate, chlorite, quartz and feldspar minerals. These minerals are found to be associated with barite vein, metasediments (quartz-chlorite schist), metarhyolite and varieties of granitic rocks of Gadisunkapur area of Hungund-Kushtagi Schist belt. The samples were collected in and around Gadisunkapur village of Bagalkote district, Karnataka and further processed to determine OH group anion in different minerals present based on FTIR and Thermal studies such as Thermogravimetric analysis (TGA) and Differential Thermal analysis (DTA). The high temperature dehydroxylation is investigated using this analysis. Furthermore, present study indicates the presence of different extra species (CO2, CO32- and OH-). The results show the incorporation of CO2 into the structures due to heating or enhanced by the dehydroxylation process.
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