从电荷平衡式出发对酸碱滴定曲线与终点误差的统一处理与讨论  

A Unified Equation Derived from the Charge Balance Equation for Constructing Acid-Base Titration Curve and Calculating Endpoint Error

作　　者：邵利民[1] 李娜[2] Limin Shao;Na Li(School of Chemistry and Materials Science,University of Science and Technology of China,Hefei 230026,China;College of Chemistry and Molecular Engineering,Peking University,Beijing 100871,China.)

机构地区：[1]中国科学技术大学化学与材料科学学院,合肥230026 [2]北京大学化学与分子工程学院,北京100871

出　　处：《大学化学》2024年第11期365-373,共9页University Chemistry

摘　　要：本文从电荷平衡式(Charge Balance Equation,CBE)出发,推导滴定曲线的反函数V=g([H^(+)]),并直接利用反函数计算终点误差。利用CBE公式的特点,将所有酸碱体系的CBE形式统一起来;而滴定曲线与终点误差的直接关联,为学习者提供一个理解酸碱平衡内涵的新视角。Starting from the Charge Balance Equation(CBE),this paper derives the inverse function V = g([H+]) for the titration curve,and directly employs this inverse function to calculate the endpoint error.Based on the characteristics of the CBE formula,the CBE forms of all acid-base systems are unified,and the straightforward correlation between the titration curve and the endpoint error provides learners with a new perspective to understand the connotation of acid-base equilibrium.

关 键 词：电荷平衡式 反函数 酸碱平衡 酸碱滴定曲线 终点误差 

分 类 号：G64[文化科学—高等教育学] O6[文化科学—教育学]