摘要
“银氨离子配位数的测定”是大学“无机化学实验”中的基础实验之一,此实验是以配位平衡和沉淀溶解平衡两大平衡原理为基础,主要通过滴定法实验操作和坐标法数据处理来完成的测定实验。实验构思巧妙,易操作,但在操作和数据处理过程中仍存在一些值得思考的问题,如操作时滴定剂种类的选择、滴定终点的确定、实验过程中补水问题以及后期的数据处理问题等。针对以上问题进行思考、讨论,能使学生对实验的理解更加透彻,操作更加熟练,实验准确性更高。
"Detecting Coordination Number of Silver-Amino Complex Ion"is one of the basic experiments of"Inorganic Chemistry Experiments"in university.Based on coordination equilibrium and precipitation dissolution equilibrium,the experiment is a measurement experiment mainly completed by titration experimental operation and coordinate method data processing.The experiment is conceived ingeniously and easy to operate,but there are still a number of issues in the process of operation and data treating deserved thinking,such as the selection of titrant type,the determination of the titration endpoint,the water supplement during the experimental process and the data processing at the later stage,etc.According to the consideration and discussion above,students can understand more thoroughly and operate more skillfully in the experiment.Finally,the experimental result will be more accurate.
作者
杨耀彬
王清华
陈艳
王秀平
于子游
YANG Yaobin;WANG Qinghua;CHENYan;WANG Xuiping;YU Ziyou(School of Chemistryand Pharmaceutical Engineering,Jilin Institute of Chemical Technology,Jilin City 132022,China)
出处
《吉林化工学院学报》
2025年第2期23-26,共4页
Journal of Jilin Institute of Chemical Technology
基金
吉林省高等教育学会高教科研项目(JGJX2023C73)
关键词
配位数测定
银氨离子
滴定剂
滴定终点
补水问题
detecting coordination number
silver-amino Complex Ion
titrant
end point of titration
water supplement
