TOTAL REFLECTION X-RAY FLUORESCENCE FOR ENVIRONMENTAL SAMPLES

机译：环境样品的全反射X射线荧光

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Various environmental samples including water from Lake Michigan, snow, rain andrnatmospheric aerosols were analyzed by total reflection X-ray fluorescence (TXRF). Atmosphericrnaerosols were taken hourly at different days in 2000 and 2001. One diurnal set out of thesernsamples is selected and discussed in detail. Lake Michigan water samples were collectedrnsporadically throughout the year as well as precipitation samples comprising of rain and snow.rnThe precipitation samples were part of a project involving students in the environmentalrnchemistry laboratory. All water samples could be analyzed as such after standardization.rnAtmospheric aerosols however, since collected onto filter membranes, were microwave digestedrnprior to analysis. The results presented for the three types of environmental samples show thernversatility of TXRF as analysis technique. Due to the small sample amount required, TXRFrnproves to be ideally suited in particular for atmospheric aerosols enabling a high time resolutionrnand allowing the monitoring of air masses.

机译：通过全反射X射线荧光（TXRF）分析了各种环境样品，包括来自密歇根湖的水，雪，雨和大气气溶胶。在2000年和2001年的不同日期每小时采集一次大气中的气溶胶。从这些样本中选取了一个昼夜集合，并进行了详细讨论。密歇根湖全年都会收集水样本以及包括雨雪的降水样本。这些降水样本是环境化学实验室的一个学生项目的一部分。标准化后可以对所有水样进行分析。然而，由于大气气溶胶已收集到滤膜上，因此在分析之前要进行微波消解。三种环境样品的结果表明，TXRF具有通用性。由于所需的样品量少，TXRFrn被证明特别适合用于大气气溶胶，可实现高时间分辨率，并允许监测空气质量。

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来源
《Advances in X-ray analysis (ICDD2001)》|2001年|p.544-553|共10页
会议地点 Steamboat Springs CO(US);Steamboat Springs CO(US);Steamboat Springs CO(US)
作者
Martina Schmeling;
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作者单位

Department of Chemistry, Loyola University Chicago, Chicago, IL 60626;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 X射线、紫外线、红外线;
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TOTAL REFLECTION X-RAY FLUORESCENCE FOR ENVIRONMENTAL SAMPLES

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