环境空气中汞的直接测定方法研究与应用

摘要

研究了环境空气中汞浓度的直接测定方法。利用金汞齐富集－便携式测汞仪对环境空气中的汞进行直接测定，具有简便、快捷、不使用化学试剂的优点。经测试，该方法在0～180 ng／m3范围内具有良好的线性关系，最低检出浓度为5 ng／m3。%This paper studied the direct determination of mercury in ambient air.With agoldamalgam enrichment and portable mer-cury analyzer,the concentration of mercury in ambient air was measured directly.This technique had the advantages of simple oper-ation,quick detection and reagents saving.The linear determination range of this method was 0 ~180 ng/m3 ,and the detection lim-it reached 5 ng/m3 .