Application of sulfur dioxide sensors in detecting gas concentration in industrial fields

Sulfur dioxide (SO2) is a toxic and harmful gas with a pungent odor and hygroscopicity. It is an easily oxidized substance and can be oxidized by oxygen, nitric acid and other compounds into substances such as sulfuric acid (H2SO4) and sulfuric acid dioxide (SO3). SO2 is a colored gas at room temperature, with a higher…