The experiment results indicated that:1. The adsorption behavior in a solid-liquid system was traced by potentiometric method, the relative deviation was less than 4%, which was in accordance with the experimental requirement of solid-liquid adsorption system.2.
实验结果表明： 1．利用电位法对D354弱碱性阴离子交换树脂吸附有机酸的固—液吸附体系的吸附行为进行追踪，实验相对偏差小于4％，符合固—液吸附体系的实验要求。
参考来源 - 电位法研究弱碱性树脂在不同介质环境中吸附有机酸的行为·2,447,543篇论文数据，部分数据来源于NoteExpress
The potentiometric method or the crystal violet indicator was used to indicate the end-point.
选用高氯酸— 冰醋酸标准液滴定，以电位法或结晶紫指示剂指示终点。
Objective: Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed.
目的：探讨两次加入滴定剂标准溶液的体积对酸碱双点电位滴定法准确度的影响。
Conclusion: The acid base doub1e points potentiometric method is simple, rapid and precise, and has prospect of application in analysing organic weak acid and base medicines.
结论：酸碱双点电位法具有简便、快速、准确等特点，在有机弱酸弱碱性药物分析中有一定的实用前景。
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