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近年来,应用气体地球化学方法寻找盲矿的问题已逐渐为人们所重视.但是,由于矿体气化晕在各种介质中的性状复杂、含量甚微,影响了该方法的推广.特别是对一些与矿体关系极为密切的气体的研究,也未取得较大突破.例如,在次生地球化学环境中,H_2S和SO_2等气体可以直接从硫化矿床中分解出来,人们对它们的指示作用虽有所估计,但尚未得到很好的应用.究其原因,往往归结于检测方法的灵敏度问题.当然,这是一个重要因素,但对于某些气体来说,提高灵敏度并不是解决方法有效性问题的唯一途径.本文以硫化氢气体为引子,在研究
In recent years, the application of gas geochemical method to find the blind mine has gradually been taken seriously.However, due to the complex nature of the gasification corona in a variety of media, content is very small, affecting the promotion of this method, especially For example, in the secondary geochemical environment, gases such as H 2 S and SO 2 can be directly decomposed from sulphide ore deposits, and people have indicated their role in the study of some gases closely related to ore bodies Although it has been estimated, it has not been well applied. The reason is often attributed to the sensitivity of detection methods, which is an important factor, of course, but for some gases, increasing sensitivity does not solve the problem of method validity The only way to solve this problem is to use hydrogen sulfide as a catalyst in the study