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分步加热质谱法是目前广泛用于地幔热流组成测定的实验技术,该方法克服了样品释出流体组分间相互反应对测试数据的影响等,介绍了分步加热质谱法的仪器(MAT-271型质谱计)工作原理,从样品选取与处理,结果分析,实验方法,流体来源及对环境影响等方面进行了系统的阐述。该实验精度要求很高,最后得到的组分较为全面。
Step-by-step heating mass spectrometry is an experimental technique widely used in the determination of the composition of the heat flux in the mantle. The method overcomes the influence of the mutual reaction between the fluid components released on the test data on the test data, and the instrument for step-by-step heating mass spectrometry (MAT- 271 mass spectrometer) principle of work, from the sample selection and processing, analysis of results, experimental methods, sources of fluid and the impact on the environment and other aspects of a systematic description. The high precision of the experiment, the final component is more comprehensive.