摘要
本文探讨了大气中二氧化硫监测方法,采用甲醛法和四氯汞钾法对乐山城区大气中二氧化硫进行对照分析。从采样、样品保存和分析方面等几个方面进行了探讨,并指出了甲醛法的特点、适用范围和存在的问题。
For the sake of contrast, the atmospheric SO_2 over Leshan urban area was determined by two analytical methods, methanal absorption and TCM absorption. Their sampling, specimen preservation as well as analysis are discussed. And the characteristics, applied range and shortcomings of methanal absorbent method are pointed out.
出处
《四川环境》
北大核心
1990年第2期35-38,共4页
Sichuan Environment