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1. 发明授权

US06623620B2 Method for detecting or monitoring sulfur dioxide with an electrochemical sensor 失效
标题翻译：用电化学传感器检测或监测二氧化硫的方法
公开(公告)号：US06623620B2
公开(公告)日：2003-09-23
申请号：US09466865
申请日：1999-12-17
申请人： Ann Lai , Laurie A. Dudik , Chung-Chiun Liu
发明人： Ann Lai , Laurie A. Dudik , Chung-Chiun Liu
IPC分类号： G01N27407
CPC分类号： G01N27/4045 , G01N33/0042 , Y02A50/248
摘要： A thick film electrochemical micro-sensor device for detecting or monitoring sulfur dioxide, comprising a substrate to which is applied a working electrode, a counter electrode, a reference electrode, and optionally a heater and a temperature detector, wherein a portion of the electrodes is covered with an insulator, and a portion of the electrodes is covered with an electrolyte. The device is especially useful for detecting or monitoring sulfur dioxide in emission gases. A method of detecting or monitoring sulfur dioxide emissions using the electrochemical micro-sensor device includes contacting the emission gas with the sensor of the present invention, measuring the current output of the sensor, determining if the current output indicates the presence of sulfur dioxide, and generating a signal, that can be used to actuate a scrubber system when a pre-determined level of sulfur dioxide is detected.
摘要翻译：一种用于检测或监测二氧化硫的厚膜电化学微传感器装置，包括施加工作电极，对电极，参考电极以及任选的加热器和温度检测器的衬底，其中电极的一部分覆盖有绝缘体，并且一部分电极被电解质覆盖。该装置特别适用于检测或监测排放气体中的二氧化硫。使用电化学微量传感器装置检测或监测二氧化硫排放的方法包括使排放气体与本发明的传感器接触，测量传感器的电流输出，确定当前输出是否表示二氧化硫的存在，以及产生信号，当检测到预定量的二氧化硫时，该信号可用于致动洗涤器系统。

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