基于水溶性吲哚半菁染料的比值式pH探针  

Ratio pH probe based on water-soluble hemicyanine cyanine dye

作　　者：王震[1] 张超[1] 袁艺珈 蒯乐 宋波[1] WANG Zhen;ZHANG Chao;YUAN Yi-jia;KUAI Le;SONG Bo(Chemistry and Chemical Engineering College,Qiqihar University,Heilongjiang Qiqihar 161006,China)

机构地区：[1]齐齐哈尔大学化学与化学工程学院,黑龙江齐齐哈尔161006

出　　处：《齐齐哈尔大学学报（自然科学版）》2018年第6期76-78,共3页Journal of Qiqihar University(Natural Science Edition)

基　　金：2017年齐齐哈尔大学大学生创新创业训练计划资助项目(201710221128)

摘　　要：合成了一种基于水溶性吲哚半菁染料的比值式pH探针,能快速响应pH值的变化。pH在8.00～11.00范围内,在紫外可见吸收光谱中,吸收峰在390 nm处随着pH的升高吸收峰逐渐减弱,而在470 nm处随着pH的升高吸收峰逐渐增强,吸收强度之比(I470 nm/I390 nm)与pH有着良好的线性关系(R2=0.992 12),可用于检测pH的变化。A ratio pH probe based on a water-soluble indolium hemicyanine was synthesized,which can quickly respond to the change of pH value.In the range of pH 8.00~11.00,the absorption at 390 nm weakened and at 470 nm increased with the increasing of pH in the UV-visible absorption spectrum.The ratio of absorption intensity(I470 nm/I390 nm)has a good linear relationship to pH(R2=0.992 12).It means that the probe can be used to detect the changes of pH.

关 键 词：水溶性 比值 pH探针 半菁染料 

分 类 号：TQ610.1[化学工程—精细化工]