By electric field and ultraviolet radiation, acetone could be transformed to CO.Then the acetone could be detected by analyzing CO with an electrochemistry sensor.

• 该方法采用紫外线和电场催化作用对环境气体中的丙酮进行分解,使其转化为CO,再利用电化学原理检测CO,实现了传统传感器对丙酮的间接检测和分析。