碱性碘化钾法是目前常用来测定空气臭氧含量的方法。为了适应工作上的需要,我们对该法作了改进,提出了改进碘化钾法。在温度和湿度恒定的熏气小室中,我们对改进碘化钾法和碱性碘化钾法进行比较研究.结果表明:改进碘化钾法步骤比较简单,灵敏度较高并且更加准确可靠。 Alkaline potassium iodide method is currently used to determine the method of air ozone content. In order to meet the needs of our work, we made improvements to the law and proposed an improved potassium iodide method. In the flue gas chamber with constant temperature and humidity, we compare the improved potassium iodide method and alkaline potassium iodide method.The results show that the steps of improving potassium iodide method are simpler, more sensitive and more accurate and reliable.