JOURNAL OF CHEMICAL AND ENGINEERING DATA
·
2024
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IF 2
Shouxiang Jiang,Kai Fu,Xiangyu Sun,Xin Huang,Wenjun Xie,Chengfei Wang,Haoran Li,Xia Jiang,Yongjin Zou,Gengxiu Zheng,Guan Wang
The solubilities of glutathione in four binary solvent mixtures (water + acetone, water + 1,4-dioxane, water + acetonitrile, and water + tetrahydrofuran) were measured using a dynamic laser monitoring method at temperatures ranging from 278.15 to 318.15 K. The molar fraction solubility of glutathione in the binary solvent increased with increasing water content and temperature. The modified Apelblat, CNIBS/R-K, Van’t Hoff–Jouyban–Acree, Apelblat–Jouyban–Acree, and NRTL were applied to calculate the solubility of glutathione in these mixtures. The relative average deviation and root-mean-square deviation indicated a good correlation between the experimental and model solubility data. In addition, the KAT-LSER model was used to evaluate the solvent effect in the solvent–solvent and solvent–solute interactions. The results showed that the nonspecific dipolarity/polarizability interactions between the solvent and the solute were the main influencing factors, followed by the hydrogen bonding interactions between the solvent and the solute.
研究领域:
药物化学
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物理化学
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DOI
高影响因子
APPLIED SURFACE SCIENCE
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2015
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IF 2.711
Zhi Liu,Jiang-hui Zhao,Peng Liu,Ji-huan He
Superhydrophobic–superoleophilic fibrous polymethyl methacrylate (PMMA) membranes were prepared by electrospinning technique. The membranes exhibited a high water contact angle up to 153.9° and nearly zero oil contact angle. This super wettability property is attributed to hierarchical macro- and nanostructure on surface of PMMA membrane and can be conveniently tuned by adjusting the weight ratio of binary solvent of N,N-dimethylacetamide and acetone. Resultant fibrous PMMA membranes with superhydrophobic–superoleophilic property can be used in water treatment. This facile one-step strategy shows an alternative approach to produce special wettability surface and will benefit this material.
研究领域:
材料科学
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表面工程
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产品关联
DOI
高影响因子
JOURNAL OF MOLECULAR LIQUIDS
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2017
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IF 3.648
Jie Li,Xinwei Zhang,Quanjie Liu,Zequn Yin
The solubilities of 1,3,5-trioxane were measured by a dynamic method in binary solvents (methanol-water, ethanol-water, isopropanol-water and dimethoxymethane-water) at the temperature range (288.15 to 328.15) K at atmosphere pressure. The solubility increased with increasing of temperature in all case, indicating that the dissolution process of 1,3,5-trioxane was endothermic. In addition, the experimental solubility of 1,3,5-trioxane in binary solvents at different temperatures were correlated by the (CNIBS)/Redlich–Kister model, the modified Apelblat model, Wilson model and NRTL equation. The calculated values were in good agreement with the measured experimental data. The (CNIBS)/Redlich–Kister model and modified Apelblat model were in agreement with the experimental solubility in all the binary solvents. The Wilson model was suitable for the binary solvent of methanol-water and dimethoxymethane-water. NRTL equation was suitable for the all in agreement with the experimental solubility in the binary solvent except the isopropanol–water.
研究领域:
化学工程
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物理化学
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产品关联
DOI
高影响因子
JOURNAL OF CHEMICAL AND ENGINEERING DATA
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2018
·
IF 2.196
Yanxiao Zhao,Haiyan Yang,Zeren Shang,Tingting Gong,Xu Zhang,Songgu Wu
Glibenclamide (GCM) is an oral antihyperglycemic drug and widely used to treat type-II diabetes. The quality of the GCM product impacts the efficacy of the medicine. However, the quality of the product is determined by the crystallization process, in which the solubility property plays a significant role. In this study, GCM solubility in 11 monosolvents (methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, acetone, acetonitrile, methyl isobutyl ketone, methyl acetate and ethyl acetate) and (acetone + acetonitrile) binary solvents, has been determined through a gravimetric method from 283.15 K to 323.15 K. It elucidates that GCM has the highest solubility in acetone among the 11 monsolvents. Meanwhile, the solubility of GCM in (acetone + acetonitrile) binary solvents increases when the mole fraction of acetone rises. Then, we correlated the solubility data in monosolvents using the modified Apelblat model and nonrandom two-liquid (NRTL) model. Besides, the modified Apelblat model, the CNIBS/R-K model, Jouyban–Acree model, and NRTL model were adopted to fit the data in (acetone + acetonitrile) mixture solvents. Furthermore, thermodynamic properties were calculated on the basis of the NRTL model.
研究领域:
药物化学
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物理化学
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DOI
高影响因子
JOURNAL OF SOLUTION CHEMISTRY
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2020
·Vol. 49
·期 7
·1068-1081
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IF 1.273
Zhang Bei,Wu Di,Zhu Huaxiang,Fang Jing,Zhou Lina,Hou Baohong,Chen Wei
The solubility data of sorbic acid in binary systems of (ethanol + water), (1-propanol + water) and (2-propanol + water) were measured from 283.15 to 323.15 K using the static equilibrium method under atmospheric pressure. It was found that the solubility of sorbic acid in the three binary solvent systems increased with increasing temperature as well as increasing initial mole fraction of organic solvent in these systems. The van’t Hoff–Jouyban–Acree model, the modified Apelblat–Jouyban–Acree model and the CNIBS/R-K model were proposed for correlating the experimental solubility values in various solution systems. Furthermore, the dissolution thermodynamic properties of Gibbs energy change (Δ sol G o ), molar enthalpy change (Δ sol H o ) and molar entropy change (Δ sol S o ) were calculated from the experimental solubility data, using the van’t Hoff equation. The positive values of Δ sol G o , Δ sol H o and Δ sol S o indicate that these dissolution processes of sorbic acid in the solvents studied were all endothermic and entropically favorable. In addition, the change of dissolution enthalpy was the main contributor to the positive value of the molar Gibbs energy of the dissolution process. The experimental solubility and the models used in this work would be conducive to purifying sorbic acid from its crude mixtures.
研究领域:
化学
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物理化学
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DOI
高影响因子
JOURNAL OF MATERIALS CHEMISTRY
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2012
·Vol. 22
·期 12
·5523-5530
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IF 5.968
Wei Zhong,Fan Li,Lie Chen,Yiwang Chen,Yen Wei
Pristine and aligned electrospun fibers of poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) have been fabricated by electrospinning. The key to success was using a binary solvent system, in which a poor solvent was introduced to increase interchain interactions of MEH-PPV. At the same time, the poor solvent should have a low surface tension and high conductivity. The emission spectra of pristine MEH-PPV in electrospun fibers, spin coating film and dilute solution were acquired and analyzed. The emission anisotropy of aligned electrospun fibers was investigated by polarized emission measurement. For pristine MEH-PPV fibers, the emission anisotropy is 0.47 at emission peak, indicating alignment of MEH-PPV chains along the electrospun fiber axis. For MEH-PPV/poly (ε-caprolactone) (PCL) electrospun fibers, the interchain energy transfer in MEH-PPV was significantly depressed. As a result, MEH-PPV/PCL electrospun fibers exhibited a strong blue shift of emission maximum and increased emission anisotropy of 0.66 compared with pristine MEH-PPV electrospun fibers. The ease of electrospinning of pristine MEH-PPV provides new opportunities for its application in unique optoelectronic devices.
研究领域:
材料科学
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光学
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DOI
高影响因子
JOURNAL OF CHEMICAL AND ENGINEERING DATA
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2019
·
IF 2.298
Zisheng Zhang,Xianyi Wang,Jun Ma,Renzhou Bian,Hong Sui,Lin He,Xingang Li
The solubility of calcium formate (form α) in four different binary solvent mixtures (methanol + water, ethanol + water, n-propanol + water, and acetone + water) from 283.15 to 323.15 K was measured by a static equilibrium method under atmospheric pressure. Results indicated that the solubility increased with the increasing temperature and water content in binary mixed solvents. The modified Apelblat equation, the combined nearly ideal binary solvent/Redlich-Kister equation, and the Jouyban–Acree equation were applied for the correlation of experimental solubility, among which the modified Apelblat equation was found to be the best fitting model for the crystallization of calcium formate (form α). This experimental data can be a fundamental guide to choose a suitable crystallization process for calcium formate in industry.
研究领域:
化学工程
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材料科学
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产品关联
DOI
高影响因子
JOURNAL OF MOLECULAR LIQUIDS
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2014
·
IF 2.083
Yonghong Hu,Xiang Liu,Wenge Yang,Jingjing Yin,Yan Liu,Mengmeng Liang
Data on corresponding solid–liquid equilibrium of 4-methylbenzoic acid in (methanol + acetic acid) binary solvent mixtures are essential for industrial design and further theoretical studies. In this study, the solubility of 4-methylbenzoic acid was measured in (methanol + acetic acid) binary solvent mixtures in the temperature ranging from 283.15 to 333.15 K by the analytical stirred-flask method under atmospheric pressure. The results obtained from these measurements were fitted using the modified Apelblat equation, the combined nearly ideal binary solvent/Redlich–Kister (CNIBS/R–K) equation and the Jouyban–Acree equation, respectively. All the equations were proven to give good representations of the experimental data. The experiment results indicated that the solubility of 4-methylbenzoic acid in the binary solvent increased with increasing temperature, decreases with increasing methanol content, but the increments with temperature differed from different methanol contents. The Redlich–Kister (CNIBS/R–K) equation was more accurate than the other two equations owning to its lowest value of the overall MD. In addition, the thermodynamic properties of the solution process, including the Gibbs energy , enthalpy, and entropy were calculated by the van't Hoff analysis. The experimental data and model parameters would be useful for optimizing the process of purification of 4-methylbenzoic acid in industry.
研究领域:
化学工程
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物理化学
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产品关联
DOI
高影响因子
JOURNAL OF CHEMICAL AND ENGINEERING DATA
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2019
·
IF 2.298
Renjie Xu,Ting Han,Li Shen,Jianguo Zhao,Xiang’an Lu
Artesunate is dissolved in an aqueous solution of several organic solvents (methanol, ethanol, isopropanol, and PG), and the mole fraction of artesunate is determined by the static method. When the system reaches equilibrium, the range of system temperature is 278.15–318.15 K and the pressure environment is 101.1 kPa. When the temperature is constant, the equilibrium mole fraction of artesunate is proportional to the mass percentage of organic solvents, and the relationship between artesunate solubility and temperature is the same as before under certain conditions of the organic solvent component. When the external conditions are the same, artesunate is more likely to dissolve in the ethanol + water mixture than in several other systems. Besides, three classical mixed solvent thermodynamic equations—Jouyban–Acree model, van’t Hoff–Jouyban–Acree model, and Apelblat–Jouyban–Acree model—are applied to calculate the equilibrium mole fraction of artesunate. The maximum value of average relative deviations (ARD) obtained during the calculation is 0.83%. The experimentally measured data on artesunate has different general meanings for the expansion of application and production in the pharmaceutical field and provides theoretical data for its industrial production.
研究领域:
药学
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物理化学
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产品关联
DOI
高影响因子
Journal of Materials Chemistry C
·
2025
·
IF 5.1
Sijie Ge,Xuanzhi He,Qianli Zhang,Junjie Lin,Yuchang Zeng,Yudiao Lin,Conglong Lin,Yan Zhang,Xianzhong Lin
A binary solvent system of dimethyl sulfoxide (DMSO) and isopropanol (IPA) has been developed for preparing high-crystalline kesterite Cu2ZnSn(S,Se)4 (CZTSSe) films. The absorbers made with the single DMSO solvent exhibit a granular microstructure, which can be altered by adding IPA to the solvent. Addition of IPA not only elevates wettability of the solution, but also enhances its volatility, thus enabling the regulation of the formation of cracks in the precursor thin film. Appropriate cracks allow Se vapor to penetrate the precursor film which promotes the grain growth during the selenization process. Hence, the incorporation of IPA into the solvent impacts the crystallinity of the absorber. Large grains can be obtained when the volume ratio of DMSO to IPA is 4 : 1. Both the open-circuit voltage (VOC) and fill factor (FF) are dramatically improved by around 24% and 47%, respectively, with the addition of 20% IPA. As a result, the efficiency of the CZTSSe solar cell has increased from 3.33% to 7.18%.
研究领域:
材料科学
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太阳能技术
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化学工程
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产品关联
DOI
高影响因子
BIORESOURCE TECHNOLOGY
·
2020
·
IF 7.539
Zhongzhi Yang,Junfeng Feng,Haowen Cheng,Yongxiang Liu,Jianchun Jiang
This work exploits a one-pot method for directional depolymerizing organosolv lignin into high added-value phenolic monomers with synergistic reaction system consisted of methanol-dimethoxymethane binary solvents and acid catalyst. The influence of solvent composition and reaction parameters such as different catalyst, binary solvents ratio, time, and temperature on the conversion of lignin and yield of products were investigated carefully, the optimum yield of liquid products and phenolic monomers were achieved at 67.39% and 27.67% at 200 °C kept for 60 min with low amount of acid catalyst. The plausible mechanism on the depolymerization of lignin was proposed in view of product distributions. Moreover, the combination of co-solvents and acidic catalyst was also suitable for converting different types of lignin into phenolic monomers, and the recyclability of joint reaction system was satisfactory. These results can provide promising prospects on developing an effective method for achieving high added-value phenolic compounds from lignin.
研究领域:
生物化学
·
可再生资源利用
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF CHEMICAL THERMODYNAMICS
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2019
·
IF 2.29
Long Wang,Jingping Sun,Yuwei Hua,Li Xu,Guoji Liu
The solubility of methyleneaminoacetonitrile in binary (ethanol + water, ethanol + 2-propanol, ethanol + n -butanol) solvents was measured by a laser dynamic method under p = 101.1 kPa at temperatures ranging from 278.15 K to 323.15 K. The solubility increased with increasing temperature at a given solvent composition; the solubility also increased with the increasing content of ethanol at a given temperature. The modified Apelblat equation, λh equation and Jouyban-Acree model were used to correlate the experimental solubility data, the values of RD and RMSD indicated that these models fit solubility data well. The calculated thermodynamic properties of Δ sol H° , Δ sol S° , Δ sol G° showed that the dissolution process in binary solvents was endothermic and entropy-driven.
研究领域:
物理化学
·
热力学
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产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）