酸碱滴定法测定芳香族胺纯度及滴定突变影响因素探讨

摘要

芳香胺及其衍生物是环氧树脂十分重要的一类固化剂，纯度是其最主要的指标。本文对酸碱滴定法测试芳香族胺纯度的原理进行探讨，建立以E对V滴定曲线的一阶导数法求取终点测定芳香胺纯度的酸碱滴定方法，方便快捷，并对滴定突跃的若干影响因素进行分析讨论。%Aromatic amine and its ramification are an important class of epoxy curing agents,whose purity is the key re-quirement.This article has discussed the principle of analyzing purity of aromatic amine by acid-base titration and estab-lished one kind convenient test method that the end-point was determined by firs derivative of titration curve. This article al-so has discussed the factors of titration jump.