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改进了利用镀KCl扩散管采集大气活性气态汞分析方法。实验证明 :在 4 5 0℃条件下加热 10min被扩散管捕获的活性气态汞会被热解出。该法最低检出限为 3pg ,具有成本低、分析方法简单、省时及采样管能多次使用等优点
Improved analytical method for measuring gaseous active mercury by plating KCl diffusion tube. Experiments show that: heated at 40 ℃ 10min heated diffused gas trapped in the gaseous mercury will be pyrolized. The minimum detection limit of the method is 3pg, which has the advantages of low cost, simple analysis method, time-saving and multiple use of sampling tube