发明名称 System, detector and method for trace gases
摘要 A detector system (10) especially suited for detecting a halogen containing component in a gas stream includes a gas chromatograph (12), which is connected by gas line (13) to pyrolysis chamber (14). Sources (16) of additional gas streams are connected by a gas line (18) to the pyrolysis chamber (14). The detector electrodes in the pyrolysis chamber (14) are electrically connected to detector electronics (20) by line (22). A temperature control circuit (24) is electrically connected to heater (26) by line (28). Heater (26) is thermally coupled to the pyrolysis chamber (b 14) at (30). The pyrolysis chamber (14) is thermally coupled to thermocouple (32) at (34). The thermocouple (32) is electrically connected to the temperature control circuit (24) by line (36). The heater (26) is independent of the detector electrodes and maintains a temperature between about 700 degrees and 1000 degrees Centigrade. The detector electrodes are substantially alkali metal free.
申请公布号 US5019517(A) 申请公布日期 1991.05.28
申请号 US19880182153 申请日期 1988.04.15
申请人 COULSON, DALE M. 发明人 COULSON, DALE M.
分类号 G01N30/64;G01N30/84;G01N31/12 主分类号 G01N30/64
代理机构 代理人
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