Solubility of Sodium Acetate Trihydrate in Binary Solvent Mixtures of Methanol, Ethanol, 1-Propanol, Acetonitrile and Water at 298.2 K

IF 1.4 4区化学 Q4 CHEMISTRY, PHYSICAL

Journal of Solution Chemistry Pub Date : 2025-01-29 DOI:10.1007/s10953-025-01432-9

Jafar Soleymani, Elaheh Rahimpour, William E. Acree Jr., Abolghasem Jouyban

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引用次数: 0

Abstract

Experimental molar solubility data for sodium acetate trihydrate (NaAc·3H₂O) dissolved in binary solvent mixtures of methanol, ethanol, 1-propanol, acetonitrile, and water at 298.2 K was determined using the shake–flask equilibration method followed by the quantification of the dissolved solute by flame photometric determination. Differential scanning calorimetry (DSC) analyses of both the un-processed and equilibrated NaAc·3H₂O in the neat solvents were recorded at 298.2 K to determine the thermal behavior of NaAc·3H₂O. The experimental solubility data were analyzed using a linear model of Jouyban-Acree. The applicability of the model to describe the observed solubility data was assessed by calculating the mean percentage deviations between the back-calculated and experimental values. Also, the combined nearly ideal binary solvent/Redlich–Kister (CNIBS/R-K) equation was employed to provide a mathetically description the solubility data under isothermal conditions. The possibility of prediction of the solubility of trihydrate form of sodium acetate based on the CNIBS/R-K model trained using the experimental solubility of the anhydrous form was also investigated. The computational results indicated that the models considered yielded solubility predictions within an acceptable error level.

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298.2 K 时三水合醋酸钠在甲醇、乙醇、1-丙醇、乙腈和水的二元溶剂混合物中的溶解度

用摇瓶平衡法测定了三水合乙酸钠（NaAc·3H2O）在甲醇、乙醇、1-丙醇、乙腈和水的二元溶剂混合物中298.2 K的摩尔溶解度，然后用火焰光度法定量了溶解溶质。在298.2 K时，用差示扫描量热法（DSC）对未处理和平衡的NaAc·3H2O进行分析，以确定NaAc·3H2O在纯溶剂中的热行为。采用Jouyban-Acree线性模型对实验溶解度数据进行分析。通过计算反算值与实验值之间的平均百分比偏差来评估模型描述观察到的溶解度数据的适用性。采用近似理想二元溶剂/ Redlich-Kister （CNIBS/R-K）组合方程对等温条件下的溶解度数据进行了数学描述。本文还探讨了基于CNIBS/R-K模型预测三水乙酸钠溶解度的可能性。计算结果表明，所考虑的模型在可接受的误差范围内产生了溶解度预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Solution Chemistry 化学-物理化学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Journal of Solution Chemistry offers a forum for research on the physical chemistry of liquid solutions in such fields as physical chemistry, chemical physics, molecular biology, statistical mechanics, biochemistry, and biophysics. The emphasis is on papers in which the solvent plays a dominant rather than incidental role. Featured topics include experimental investigations of the dielectric, spectroscopic, thermodynamic, transport, or relaxation properties of both electrolytes and nonelectrolytes in liquid solutions.