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电感耦合等离子体质谱法测定PM2.5中多种金属元素

Determination of various metal elements in PM 2.5 by inductively coupled plasma mass spectrometry

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建立了电感耦合等离子体质谱法(ICP-MS) 测定 PM2. 5 中痕量金属元素的方法.电热板湿法消解, 以 Y/Bi/In元素作为内标校正干扰,ICP-MS 测定 PM2. 5 中痕量金属元素.该方法线性良好, 相关系数为 0. 999 9, 方法的检出限为 0. 11 ～ 36. 1 mg/m3,方法的精密度和准确度良好,相对标准偏差在 8. 3％ ～ 19. 4％ 之间,平均回收率为 85. 0％ ～ 95. 5％.整个方法简单、 快速和准确,可用于分析 PM2. 5 中的金属元素.
A method for the determination of trace metal elements in PM 2. 5 by inductively coupled plasma mass spectrometry(ICP-MS) was developed. Wet digestion, the interference was corrected by using Y/Bi/In element as internal standard, and trace metal elements in PM 2. 5 were determined by ICP-MS. The method has good linearity and the correlation coefficient is 0. 999 9. The detection limits of the method were between 0. 11 and 36. 1 mg/m3. The precision and accuracy of the method were good. The relative standard deviations were between 8. 3％ and 19. 4％, and the average recoveries ranged from 85. 0％ to 5. 5％. The method was simple, fast and accurate and can be used to analyze trace metal elements in PM2. 5.

ICP-MSPM2. 5trace metal elements

张晓赟、秦宏兵、徐恒省

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苏州市环境监测中心, 江苏 苏州 215000

电感耦合等离子体质谱法 PM2.5 痕量金属元素

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SS 201621

2018

污染防治技术
中国环境科学学会 江苏省环境科学学会

污染防治技术

ISSN：
年,卷(期)：2018.31(6)
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