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近年来,为了环保研究和地球化学找矿的需要人们对于研制一种测定低浓度Hg的方法给予极大的注意。它是一种携带式仪器,可以快速和便宜地进行为这些目的所要求的分析。大多数半轻便测定低浓度Hg的仪器都是依赖于原子吸收技术。已经有各色各样的测Hg仪器被描述过,但它们都是基于Hg在2537A处的吸收原理设计的。然而,这类仪器当存在有H_2O、O_3、SO_2、各种有机化合物以及细小灰尘等干扰物质时仪器的使用受到限制。因为这些物质将在有关的光谱区域内造成电磁能的吸收或散射。为了克服这些干扰,其结果将是使仪器不是失去了
In recent years, great attention has been paid to the development of a method for determination of Hg at low concentrations for environmental research and geochemical prospecting. It is a portable instrument that makes the analysis required for these purposes quick and inexpensive. Most semi-portable instruments for the determination of low concentrations of Hg rely on atomic absorption. A wide variety of Hg instruments have been described, but they are all based on the Hg absorption principle at 2537A. However, the use of such instruments in the presence of interfering substances such as H 2 O, O 3, SO 2, various organic compounds and fine dust is limited. Because these substances will cause absorption or scattering of electromagnetic energy in the relevant spectral region. In order to overcome these disturbances, the result will be that the instrument is not lost