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    • 8. 发明授权
    • Gas detection method and apparatus using gas reactive pigment
    • 使用气体反应性颜料的气体检测方法和装置
    • US6096557A
    • 2000-08-01
    • US910231
    • 1997-08-13
    • Kazunari TanakaChiaki IgarashiYoshihiko Sadaoka
    • Kazunari TanakaChiaki IgarashiYoshihiko Sadaoka
    • G01N21/25G01N21/77G01N21/78G01N31/22G01N33/00
    • G01N31/223Y10T436/15Y10T436/153333Y10T436/177692Y10T436/19
    • This invention provides a method for determining the concentration of a gas to be detected by a gas detector using a gas reactive pigment, wherein the dynamic range of the detectable concentration can be controlled. The method comprising bringing a gas to be detected such as a halogen gas, a hydrogen halide gas or the like into contact with a gas detector placed in a detection area and comprising a gas reactive pigment tetraphenylporphyrin or a derivative thereof represented by the general formula (1) or a metal complex of tetraphenylporphyrin or a derivative thereof represented by the general formula (2); and irradiating said gas detector with a detection beam and measuring a color change in said gas detector to determine the concentration of said gas to be detected, wherein the measurement is carried out in the temperature range from 40 to 80.degree. C. of said detection area; and a detection apparatus for carrying out the said method are disclosed.
    • 本发明提供了一种用气体反应性颜料测定由气体检测器检测的气体的浓度的方法,其中可以控制可检测浓度的动态范围。 所述方法包括使诸如卤素气体,卤化氢气体等的被检测气体与放置在检测区域中的气体检测器接触,并且包含由通式表示的气体反应性颜料四苯基卟啉或其衍生物( 1)或由通式(2)表示的四苯基卟啉或其衍生物的金属络合物; 并用检测光束照射所述气体检测器,并测量所述气体检测器中的颜色变化,以确定所述待检测气体的浓度,其中所述测量在所述检测区域的40℃至80℃的温度范围内进行 ; 并且公开了一种用于执行所述方法的检测装置。