介绍用紫外分光光度计测定焦炉煤气中的焦油含量的实验方法、步骤以及在取样分析中的问题。
The article introduces the test method and the steps to determine the tar content in the coal gas of coke oven by UV spectrophotometer, and the analytical problems.
在监测焦炉煤气氧含量的磁力机械式氧分析仪系统中，采样预处理系统是一个重要环节。
Sampling pre-treatment system is an important factor in magneto-dynamic oxygen analyzer system for detecting the oxygen content in coke oven gas.
采用二次金汞齐-冷原子吸收光谱法对贵阳市城市民用管道煤气中汞含量进行了测定。
Two stage gold amalgamation cold vapor atomic adsorption spectrometry method was used to determine the content of mercury in piping gas of Guiyang city.
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