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矿物中气液包裹体的气体成分的研究,对了解岩矿的形成条件和利用包裹体气晕寻找盲矿体是有重要意义的。但是由于包裹体中的气体很少,分析方法和分析速度没有很好解决,限制了这方面工作的进展。我们利用国产Sp2305型气相色谱仪为分析主机,将该仪器上的六通阀改造成热爆释气系统。用载气冲洗样品,到洗净样品的吸附气体以后,在闭路中加热样品,至包裹体破裂温度,释放出其中气体,
The study on the gas composition of gas-liquid inclusions in minerals is of great significance in understanding the formation conditions of rock and ore and finding the blind orebodies using gas halo of inclusions. However, due to the small amount of gas in the inclusions, the analytical methods and analysis speed are not well solved, which limits the progress of this work. We use domestic Sp2305 gas chromatograph for the analysis of the host, the instrument on the six-way valve transformed into hot burst gas system. The sample is rinsed with a carrier gas, and after the adsorbed gas of the sample is washed, the sample is heated in a closed circuit to the rupture temperature of the inclusion to release the gas therein,