%0 Journal Article %T 利用DMA-80自动测汞仪直接测定海水中痕量汞 %T Direct Determination of Trace Mercury in Seawater with DMA -80 Automatic Mercury Analyzer %A 王冬进 %A WANG,Dong jin %J 环境监控与预警 %@ 1674-6732 %V 2 %N 1 %D 2010 %P 24-26 %K 海水;痕量汞;直接测定;检出限 %K seawater; trace mercury; direct determination; detection limit %X 采用DNA-80自动测汞仪直接测定海水中的痕量汞,详细介绍了干燥时间、分解温度、释放温度等分析条件的优化选择。试验结果,方法在0.4~400ng范围内线性良好,检出限为2×10^-5mg/L,方法操作简单,灵敏度高,结果准确。 %X Trace mercury in seawater was directly determined with DMA - 80 Automatic Mercury Analyzer. Optimization on the choice of analytical condition, such as dry time, decomposition temperature and reduction temperature were elaborated. The result showed that the technique was in a good linear relation in the range between 0.4 -400 ng and the detection limits 2 × 10^-5 mg/L, The technique is easy to use with high sensitivity and accuracy. %R %U http://www.hjjkyyj.com/hjjkyyj/ch/reader/view_abstract.aspx %1 JIS Version 3.0.0