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    • 29. 发明授权
    • Analysis device and method for testing the catalytic activity of surfaces
    • 用于测试表面催化活性的分析装置和方法
    • US08586374B2
    • 2013-11-19
    • US12597030
    • 2008-04-18
    • Jens Dahl JensenUrsus KrügerVolkmar LüthenRaymond Ullrich
    • Jens Dahl JensenUrsus KrügerVolkmar LüthenRaymond Ullrich
    • G01N21/00
    • G01N21/031G01N21/05G01N21/272G01N21/59G01N2021/0325
    • In an analysis device and a method for testing the catalytic activity of surfaces, a reaction cell is provided that has a recess for a sample that is provided with the catalytic surface. In the analysis device, an optical test of the reaction occurring in the reaction cell may occur. The reaction cell has a closed channel that is part of a fluid circuit. The reaction cell may be advantageously designed in a very space-saving manner in its scale, such that a portable use of the analysis cell is possible as well. Here, a simple measurement process of the absorption capacity of the sample fluid located in the reaction cell is conducted. To this end, a laser diode is provided, the measurement stream of which is directed into the reaction cell and reflected multiple times. The light intensity is measured by means of a photodetector.
    • 在分析装置和用于测试表面的催化活性的方法中,提供具有用于具有催化剂表面的样品的凹部的反应池。 在分析装置中,可能发生在反应池中发生的反应的光学测试。 反应池具有作为流体回路的一部分的封闭通道。 可以有利地以非常节省空间的方式设计反应池,使得分析单元的便携式使用也是可能的。 这里,进行位于反应池中的样品流体的吸收容量的简单测量处理。 为此,提供了一种激光二极管,其测量流被引导到反应池并反射多次。 光强度通过光电检测器测量。