溴甲酚绿-甲基红复合指示剂配制方法研究  

Discussion on the Preparation Method of Bromocresol Green-Methyl Red Compound Indicator

作　　者：乌永兵[1] 刘艳梅[1] 营虎虎 

机构地区：[1]延长油田股份有限公司,陕西延安717208

出　　处：《辽宁化工》2016年第8期1109-1111,共3页Liaoning Chemical Industry

摘　　要：通过大量的实验,讨论溴甲酚绿-甲基红复合指示剂的配制方法,在不同比例和不同浓度下混合,用盐酸标准溶液滴定,观察溶液颜色变色情况。The preparation method of bromocresol green-methyl red compound indicator was discussed. The compound indicator with different proportion and concentration was added in sodium carbonate solution, and then the solution was titrated by standard solution of hydrochloric acid, color change condition of the solution was observed.

关 键 词：溴甲酚绿 甲基红 混合配制方法 变色 

分 类 号：O657[理学—分析化学]