甲醛缓冲溶液吸收测定二氧化硫的稳定性研究  

Study on the Stability of Determining Sulfur Dioxide by Using Methanol Buffer Solution Absorption

作　　者：温俨[1] 崔桂芬[1] 

机构地区：[1]太原市环境监测中心站,太原030002

出　　处：《科技情报开发与经济》2000年第3期29-30,共2页Sci-Tech Information Development & Economy

摘　　要：本文根据对不同浓度在不同的保存条件下 SO2 的测定的具体数据 ,分析了用甲醛缓冲溶液吸收—盐酸副玫瑰苯胺分光光度法测定 SO2 的稳定性。实验显示中浓度的溶液 ,用玻璃瓶存放 ,在室温下或冰箱内保存 ,均具有很好的稳定性。Based on the concrete measured data of sulfur dioxide with different concentration in different preserve conditions,this paper analyses the stability of determining sulfur dioxide by using methanol buffer solution absorption and hydrochloric acid subsidiary rosaniline spectroptotography method.Experiment shows that the storage of the solution with medium concentration in glass bottle at room temperature or in refrigerator has excellent stability.

关 键 词：稳定性测定 甲醛缓冲溶液 二氧化硫 大气污染物 光度法 甲醛法 

分 类 号：X132[环境科学与工程—环境科学] X831.02