Thermodynamics of the Acid-Base Reactions of N-Methylglycine in Aqueous Solutions of HNO3 and KOH

被引：0

作者：

Lytkin, A. I. ^{[1
]}

Chernikov, V. V. ^{[1
]}

Krutova, O. N. ^{[1
]}

Badelin, V. G. ^{[2
]}

Krutov, P. D. ^{[1
]}

机构：

[1] Ivanovo State Univ Chem & Technol, Ivanovo 153000, Russia

[2] Russian Acad Sci, Inst Solut Chem, Ivanovo 153045, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2018年 / 92卷 / 11期

关键词：

acid-base reactions; thermodynamics; calorimetry; DISSOCIATION-CONSTANTS; MIXED COMPLEXES; GLYCINE; SARCOSINE; WATER; HEAT;

D O I：

10.1134/S0036024418110249

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Enthalpies are determined calorimetrically for the acid-base reactions of N-methylglycine in aqueous solutions of nitric acid and potassium hydroxide at a temperature of 298.15 K and ionic strengths of 0.25, 0.50, and 0.75 (in the presence of KNO3). Standard thermodynamic characteristics of the acid-base reactions of N-methylglycine are calculated. The effect the concentration of the background electrolyte has on the enthalpy of sarcosine dissociation is considered.

引用

页码：2165 / 2168

页数：4

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