戊二酸、辛二酸、3-甲基庚二酸、2,2-二甲基丁二酸和2,3-二甲基丁二酸六种二元混合物的固液平衡

IF 2 3区工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical & Engineering Data Pub Date : 2013-10-22 DOI:10.1021/je400686f

Tzu-Chi Wang*, Chia-Hao Chang

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引用次数: 0

摘要

六种有机二元混合物戊二酸(1)+ 3-甲基庚二酸(3)的固液平衡(共晶温度TE = 329.94 K，共晶组成x1E = 0.497);戊二酸(1)+ 2,2-二甲基丁二酸(4)(TE = 354.07 K, x1E = 0.740);戊二酸(1)+ 2,3-二甲基丁二酸(5)(TE = 338.95 K, x1E = 0.415);辛二酸(2)+ 3-甲基庚二酸(3)(TE = 352.54 K, x1E = 0.144);辛二酸(2)+ 2,2-二甲基丁二酸(4)(TE = 386.49 K, x1E = 0.416);和辛二酸(2)+ 2,3-二甲基丁二酸(5)(TE = 368.30 K, x1E = 0.193)在本研究中采用差示扫描量热法测定。观察到这些体系的简单共晶行为。采用Wilson模型和非随机双液活度系数模型对实验结果进行了关联，得到了满意的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Solid–Liquid Equilibria for Six Binary Mixtures of Pentanedioic Acid, Octanedioic Acid, 3-Methylheptanedioic Acid, 2,2-Dimethylbutanedioic Acid, and 2,3-Dimethylbutanedioic Acid

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Solid–Liquid Equilibria for Six Binary Mixtures of Pentanedioic Acid, Octanedioic Acid, 3-Methylheptanedioic Acid, 2,2-Dimethylbutanedioic Acid, and 2,3-Dimethylbutanedioic Acid

Solid–liquid equilibria for six organic binary mixtures, namely, pentanedioic acid (1) + 3-methylheptanedioic acid (3) (eutectic temperature T_E = 329.94 K, eutectic composition x_1E = 0.497); pentanedioic acid (1) + 2,2-dimethylbutanedioic acid (4) (T_E = 354.07 K, x_1E = 0.740); pentanedioic acid (1) + 2,3-dimethylbutanedioic acid (5) (T_E = 338.95 K, x_1E = 0.415); octanedioic acid (2) + 3-methylheptanedioic acid (3) (T_E = 352.54 K, x_1E = 0.144); octanedioic acid (2) + 2,2-dimethylbutanedioic acid (4) (T_E = 386.49 K, x_1E = 0.416); and octanedioic acid (2) + 2,3-dimethylbutanedioic acid (5) (T_E = 368.30 K, x_1E = 0.193, are measured in this study using differential scanning calorimetry. Simple eutectic behaviors for these systems are observed. The experimental results are correlated using the Wilson and nonrandom two-liquid activity coefficient models, and satisfactory results are presented.

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来源期刊

Journal of Chemical & Engineering Data 工程技术-工程：化工

CiteScore

5.20

自引率

19.20%

发文量

324

审稿时长

2.2 months

期刊介绍： The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.