According to a website that shows the levels of fine dust or ultrafine dust, there is also a value of NO2, a nitrogen oxide, for air pollution. How can you measure nitrogen oxide?
Is there a simple measurement method or measuring machine like fine dust?
322 3 7 years ago
pu1. Nitrogen oxide was in a car inspection station, and I think it's hard for the general public to use like a fine dust meter
2017-12-06
pu2. There is an automatic measuring instrument that measures the concentration of nitrogen oxides. Usually, the exhaust gas in the automobile inspection station is measured by chemiluminescence, infrared absorption, ultraviolet absorption, electrostatic potential electrolysis, and electrostatic potential. Nitrogen oxide in the atmosphere is measured by absorbance photometry and chemiluminescence method. It's not easy to measure in a normal home
2017-12-06
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