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Which Gases Are Not Suitable For Analysis With Non-dispersive Infrared Gas Analysis (ndir Gas Analysis)? |
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Answer» Noble gases consist only of individual atoms. In order to VIBRATE, HOWEVER, at least one bond is required. Noble gases can therefore not be detected with this method. In diatomic elemental gases such as oxygen (O2) or nitrogen (N2), only a few vibrational modes can be excited by infrared radiation, so that EVEN here the method fails. Noble gases consist only of individual atoms. In order to vibrate, however, at least one bond is required. Noble gases can therefore not be detected with this method. In diatomic elemental gases such as oxygen (O2) or nitrogen (N2), only a few vibrational modes can be excited by infrared radiation, so that even here the method fails. |
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