CO2 reading below 100ppm on samples of ambient air. CO reading accurately.
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CO2 reading below 100ppm on samples of ambient air. CO reading accurately.
Based on the original question, it sounds like you're doing dissolved gas analysis. Is this correct? How does the peak shape of CO2 look? It could be that some of it is being cut due to a valve switch and not reaching the methanizer. An example chromatogram, method settings, and plumbing diagram will be helpful in troubleshooting.
Based on the original question, it sounds like you're doing dissolved gas analysis. Is this correct? How does the peak shape of CO2 look? It could be that some of it is being cut due to a valve switch and not reaching the methanizer. An example chromatogram, method settings, and plumbing diagram will be helpful in troubleshooting.