【摘要】 介绍了测定二氧化硫浓度的几种光学方法 ,指出了目前一些化学方法的局限性 ,特别对紫外荧光法的原理、二氧化硫的吸收光谱以及荧光光谱进行分析探讨 ,设计了实验分析系统 ,得出该方法具有操作简单、灵敏度高、可实时在线的智能化优点 ,将会成为今后研究的主导方向。更多还原

【Abstract】 This paper introduces the current optical methods to measure the concentration of sulfur dioxide,it points out limitation of chemical methods, especially analyzing the principle of the ultraviolet fluorescence,SO 2 absorption spectroscopy and fluorescence spectroscopy. Experimental system is designed.The method has performances of high sensitivity, simple instrument,measurement on line and intelligence. The study of it may become a leading direction in the future.更多还原