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Method and system for characterizing an aggregate sample by using laser-induced breakdown spectroscopy
Method and system for characterizing an aggregate sample by using laser-induced breakdown spectroscopy
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机译:通过使用激光诱导的击穿光谱来表征聚合样本的方法和系统
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摘要
A method for characterizing an aggregate sample involves using a first laser pulse to create a crater on the surface of a sample, using a second laser pulse to produce a plasma emission spectrum on the prepared crater surface, and detecting the emission spectrum to collect spectral data. Laser application, and detecting spectral emission are repeated on different points on the sample, then non-representative spectral data is discarded based on a ratio of ions to atoms in the data. Finally a calibration loading is used to determine a property characteristic of the aggregate sample. The sample may be an oil sands sample, and the properties detected may be percentages of bitumen, water, and solids. A laser-based system is provided for carrying out the characterization method.
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