Nitrogen Oxides – EN 14792
This method is carried out using a Horiba Flue Gas Analyser – chemiluminescence method. The gas stream is chilled and dried before passing to the analyser. NOx results are adjusted to reference oxygen and reported as mg/Nm3.
This method can be used for either high range or low range NOx concentrations, calibrated using reference traceable UKAS calibration gases.
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