铬黑T作为络合滴定指示剂稳定性的研究  

Study on the Stability of EBT as an Indicator in Complexometric Titration

作　　者：田力 谭永放 

机构地区：[1]山东齐鲁科力化工研究院有限公司,山东淄博255086

出　　处：《山东化工》2009年第7期14-17,共4页Shandong Chemical Industry

摘　　要：用络合滴定法和分光光度法对铬黑T在三乙醇胺和无水乙醇溶液中的稳定性进行了研究,认为铬黑T在三乙醇胺和无水乙醇溶液中作为络合滴定指示剂至少在一年中有效。The stability of EBT in triethandamine and ethyl alcohol solution was studied by complexometric and spectrophotometry. The results showed that the validity of EBT solution was more than one year.

关 键 词：铬黑T 络合滴定 稳定性 

分 类 号：TQ421.323[化学工程]