How is NO converted to NO2 for analysis in Chemiluminescent analyser?

How is NO converted to NO2 for analysis in Chemiluminescent analyser? Correct Answer Treating sample gas with ozone

NO is converted to NO2 for analysis in Chemiluminescent analyser by treating sample gas with ozone. NO + O3 —>NO2 + O2
Bissoy MCQ

Related Questions

During analysis of NO2 using Chemiluminescent analyser, why is NO2 not made to react with ozone directly?
How is NO converted to NO2 for analysis in UV and Visible analyzers?