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Laser-induced breakdown spectrometry as a multimetal continuous-emission monitor

机译:激光诱导击穿光谱法作为多金属连续发射监测仪

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Laser-induced breakdown spectrometry (LIBS) has been used to detect atomic and molecular species in various environments LIBS has the capability to be used as a continuous-emission monitor to monitor toxic-metal concentrations in stack emissions. Recently a mobile LIBS system was calibrated in our laboratory and tested as a multimetal continuous-emission monitor during a joint U.S. Department of Energy-Environmental Protection Agency (EPA) test. LIBS measurements were performed with three sets of metal concentrations at the EPA Rotary Kiln Incinerator Simulator. The LIBS system successfully measured concentrations of Cr, Pb, Cd, and Be in near real time in this test. Real-time LIBS data were averaged and compared with data obtained from an EPA reference method that was conducted concurrently with LIBS. The details of the LIBS calibration and results of these LIBS measurements are described.
机译:激光诱导击穿光谱法(LIBS)已用于检测各种环境中的原子和分子种类LIBS具有用作连续排放监测仪的能力,以监测烟囱排放物中的有毒金属浓度。最近,移动式LIBS系统在我们的实验室中进行了校准,并在美国能源环境保护署(EPA)的联合测试中作为多金属连续排放监测仪进行了测试。 LIBS测量是在EPA回转窑焚烧炉模拟器中用三组金属浓度进行的。在该测试中,LIBS系统成功地几乎实时地测量了Cr,Pb,Cd和Be的浓度。平均实时LIBS数据,并将其与从与LIBS同时进行的EPA参考方法获得的数据进行比较。描述了LIBS校准的详细信息以及这些LIBS测量的结果。

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