Solid-Liquid Equilibria for Six Binary Mixtures Involving Heptanedioic Acid, Pentanedioic Acid, Hexanedioic Acid, 2,3-Dimethylbutanedioic Acid, 2,2-Dimethylbutanedioic Acid, and 3-Methylheptanedioic Acid

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Title:	Solid-Liquid Equilibria for Six Binary Mixtures Involving Heptanedioic Acid, Pentanedioic Acid, Hexanedioic Acid, 2,3-Dimethylbutanedioic Acid, 2,2-Dimethylbutanedioic Acid, and 3-Methylheptanedioic Acid
Authors:	Wang, TC (Wang, Tzu-Chi) Li, YJ (Li, Yi-Ju) Chen, YP (Chen, Yan-Ping)
Contributors:	Dept Chem & Mat Engn
Keywords:	ORGANIC-SYSTEMS THERMODYNAMIC PROPERTIES PHASE-EQUILIBRIA DSC PREDICTION
Date:	2012-12
Issue Date:	2013-02-18 15:41:14 (UTC+8)
Abstract:	Solid-liquid equilibrium data for six organic binary mixtures of heptanedioic acid (1) + pentanedioic acid (2) (eutectic temperature T-E = 341.9 K, eutectic composition x(1E) = 0.391), hexanedioic acid (I) + heptanedioic acid (2) (T-E = 365.4 K, x(1E) = 0.239), heptanedioic acid (1) + 2,3-dimethylbutanedioic acid (2) (T-E = 348.9 K, x(1E) = 0.443), heptanedioic acid (1) + 2,2-dimethylbutanedioic acid (2) (T-E = 358.8 K, x(1E) = 0.667), heptanedioic acid (1) + 3-methylpenetandioic acid (2) (T-E = 338.8 K, x(1E) = 0.357), and 2,2-dimethylbutanedioic acid (1) + 3-methylpenetandioic acid (2) (T-E = 348.3 K, x(1E) = 0.212) were measured in this study using differential scanning calorimetry (DSC). All six systems show simple eutectic behavior. The experimental data were correlated using the Wilson and nonrandom two-liquid (NRTL) activity coefficient models, and satisfactory results are presented.
Relation:	JOURNAL OF CHEMICAL AND ENGINEERING DATA 卷: 57 期: 12 頁數: 3519-3524
Appears in Collections:	[Department of Chemical & Materials Engineering] journal articles

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