التفاصيل البيبلوغرافية
| العنوان: |
Mathematical and Chemical Analyses of Acid-Base Titration Curve. (English) |
| المؤلفون: |
Xuyang Wang, Shuzhe Sun, Xiaowen Xu, Guizheng Zou, Bin Zhang |
| المصدر: |
University Chemistry; 2023, Vol. 38 Issue 2, p243-252, 10p |
| مصطلحات موضوعية: |
ANALYTICAL chemistry, VOLUMETRIC analysis, MATHEMATICAL analysis, CHEMICAL equilibrium, MATHEMATICAL formulas |
| مستخلص: |
Acid-base titration is the most basic experiment in analytical chemistry. The titration curve reflects the whole process of neutralization reaction and is very important to understand acid-base titration. Based on three basic hypotheses, the chemical equilibrium, electroneutrality principle and mass balance, we established mathematical model between ionization degree and pH as well as titration percentage by keeping one parameter unchanged and the other two changed at the initial point. In addition, we recovered the acid-base titration curve by performing mathematical analysis and derivatization of the function. Through the analysis of two initial conditions in mathematical formula and the effects on the function, the quantitative validation on interpretations was introduced for reactions of different concentrations and strength of acids in titrations described in traditional teaching materials. With theoretical expansion of titration curves, we proposed a possible method for weak acid titration. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
