百里酚蓝鉴别碳酸钠与碳酸氢钠溶液实验的设计与研究  

Differentiation of Sodium Carbonate and Sodium Bicarbonate Solution by Thymol Blue

作　　者：李大塘[1] 谭鲜娥 LI Da-Tang;TAN Xian-E(College of Chemistry ＆ Chemical Engineering,Hunan University of Science and Technology,Xiangtan 411201,China)

机构地区：[1]湖南科技大学化学化工学院,湖南湘潭411201

出　　处：《化学教育（中英文）》2018年第18期38-40,共3页Chinese Journal of Chemical Education

基　　金：2017年广东省教育厅高职教育教学改革项目(JXZB37)

摘　　要：基于碳酸钠、碳酸氢钠溶液的碱性不同,采用适量的百里酚蓝乙醇溶液,设计了可快速、方便、有效地鉴别碳酸钠和碳酸氢钠溶液的方法,并对其进行了理论研究。该方法现象明显,可靠性强,重现性好,成功率高。可应用于食品、药品检测等领域。Based on the basic difference of sodium carbonate and sodium bicarbonate solu- tion, a method is designed to fast, conveniently and effectively identify sodium carbonate and so- dium bicarbonate solution, using the appropriate dosage of thymol blue alcohol solution. This method possesses the following advantages, obvious ty, good reproducibility, high success rate. It can be cal fields. experimental phenomenon, strong reliabili used in food, drug testing and other technical fields.

关 键 词：百里酚蓝 碳酸钠 碳酸氢钠 

分 类 号：O645.1[理学—物理化学]