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1. 发明申请

WO2004042375A1 NIR SPECTROSCOPY METHOD FOR ANALYZING CHEMICAL PROCESS COMPONENTS 审中-公开
标题翻译：用于分析化学工艺组分的近红外光谱法
公开(公告)号：WO2004042375A1
公开(公告)日：2004-05-21
申请号：PCT/CA2003/001575
申请日：2003-10-15
申请人： HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES CANADA
发明人： LONG, Yicheng , DABROS, Tadeusz , HAMZA, Hassan
IPC分类号： G01N21/35
CPC分类号： G01N21/359 , G01N21/3563 , G01N21/8507
摘要： A method is described for providing rapid on-line analyses of chemical compositions such as chemical process streams, utilizing near-infrared (NIR) spectroscopy in combination with chemometrics. In the method, for each type of analysis to be conducted, a database is provided by analyzing a series of samples using standard laboratory analytical procedures, utilizing the results as reference values to establish quantitative calibration models from NIR spectroscopy using chemometric techniques and storing this information in a computer database. An NIR spectroscopic system is also provided comprising a transflectance or a transmittance probe coupled via fiber-optic cables to a stable white light source and a spectrograph. The probe is inserted into a test sample or chemical process stream to be analyzed, a stable white light of selected wavelength range is beamed to the probe and the spectra obtained on the spectrograph are recorded. Finally the spectra obtained are correlated to the reference data stored in the computer to obtain a rapid measurement of the analysis desired.
摘要翻译：描述了一种用于提供化学组成如化学工艺流的快速在线分析的方法，其利用近红外（NIR）光谱与化学计量学结合。在该方法中，对于要进行的每种类型的分析，通过使用标准实验室分析程序分析一系列样品来提供数据库，利用结果作为参考值，使用化学计量技术从NIR光谱学建立定量校准模型并存储该信息在计算机数据库中。还提供了一种近红外光谱系统，其包括通过光纤电缆耦合到稳定的白光源和光谱仪的透射率或透射率探测器。将探针插入待分析的测试样品或化学过程流中，将所选波长范围的稳定白光束照射到探针上，并记录在光谱仪上获得的光谱。最后，所获得的光谱与存储在计算机中的参考数据相关，以获得所需分析的快速测量。

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