1. Calibrating Instruments: Nitric oxide cylinders can be used to calibrate NOx monitoring instruments in FGD monitoring stations. Monitoring stations need to accurately measure NOx concentration levels to assess the performance of the FGD system. The gas in the nitrous oxide cylinder can be used to calibrate the monitoring instruments to ensure their accuracy and reliability.
2. Reference gas: The gas in the nitrous oxide cylinder can also be used as a reference gas for NOx measurements in the FGD monitoring station. Sensors or analyzers in the monitoring station can be calibrated or verified for accuracy by comparing with the gas in the nitrous oxide cylinder.
3. QC and QA: Nitrous oxide cylinders can also be used in the QC and QA process of the FGD monitoring station. By regularly checking the concentration and purity of the gas in the nitrous oxide cylinders, it can be ensured that the measurement system of the monitoring station maintains good performance and meets the relevant quality standards and regulatory requirements.