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Artículos de revistas sobre el tema "Solubility of Liquids"

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Publicado: 6 de septiembre de 2023

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1

Zafarani-Moattar, Mohammad Taghi, Hemayat Shekaari y Elnaz Mazaher Haji Agha. "Measurement and Modeling of Solubility of Galactose in Aqueous Ionic Liquids, 1-Butyl-3-Methyl Imidazolium Bromide, 1-Hexyl-3-Methyl Imidazolium Bromide and 1-Butyl-3-Methylimidazolium Chloride at T = (298.15 And 308.15) K". Pharmaceutical Sciences 25, n.º 4 (20 de diciembre de 2019): 319–30. http://dx.doi.org/10.15171/ps.2019.32.

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Background: Saccharides are considered as abundant, cheap and renewable starting materials for chemicals and fuels. Recently, ionic liquids have been used as green solvents for saccharides. The solubility values of galactose in aqueous ionic liquid solutions are not available. Thus, the main objective of this research was to determine the solubility of galactose in aqueous solutions containing ionic liquids, 1-butyl-3-methyl imidazolium bromide, [BMIm]Br, 1-butyl-3-methylimidazolium chloride [BMIm]Cl and 1-hexyl-3-methyl imidazolium bromide, [HMIm]Br at different mole fractions of ionic liquids at T = (298.15 and 308.15) K. Methods: In this study, the gravimetric method was used to measure the solubility of galactose in aqueous ionic liquids solutions. Results: The solubility values of galactose in water and aqueous ionic liquid solutions were correlated with the activity coefficient models of Wilson, NRTL, modified NRTL, NRF-NRTL, and UNIQUAC. Conclusion: It was concluded that with increasing the mole fraction of ionic liquids, the solubility values of galactose decrease and in fact all of these ionic liquids show salting-out effect on aqueous galactose solutions and this behavior is stronger in ionic liquid 1-butyl-3-methylimidazolium chloride.

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2

Biń, Andrzej K. "Ozone Solubility in Liquids". Ozone: Science & Engineering 28, n.º 2 (mayo de 2006): 67–75. http://dx.doi.org/10.1080/01919510600558635.

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3

Monder, Hila, Leo Bielenki, Hanna Dodiuk, Anna Dotan y Samuel Kenig. "Poly (Dimethylsiloxane) Coating for Repellency of Polar and Non-Polar Liquids". Polymers 12, n.º 10 (21 de octubre de 2020): 2423. http://dx.doi.org/10.3390/polym12102423.

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The wettability of poly (dimethylsiloxane) (PDMS) coating on plasma-treated glass was studied at room temperature using polar and non-polar liquids. The wettability was investigated regarding the liquids’ surface tensions (STs), dielectric constants (DCs) and solubility parameters (SPs). For polar liquids, the contact angle (CA) and contact angle hysteresis (CAH) are controlled by the DCs and non-polar liquids by the liquids’ STs. Solubility parameter difference between the PDMS and the liquids demonstrated that non-polar liquids possessed lower CAH. An empirical model that integrates the interfacial properties of liquid/PDMS has been composed. Accordingly, the difference between the SPs of PDMS and the liquid is the decisive factor affecting CAH, followed by the differences in DCs and STs. Moreover, the interaction between the DCs and the SPs is of importance to minimize CAH. It has been concluded that CAH, and not CA, is the decisive attribute for liquid repellency of PDMS coating.

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4

Matuszek, Karolina, Ewa Pankalla, Aleksander Grymel, Piotr Latos y Anna Chrobok. "Studies on the Solubility of Terephthalic Acid in Ionic Liquids". Molecules 25, n.º 1 (24 de diciembre de 2019): 80. http://dx.doi.org/10.3390/molecules25010080.

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Low solubility of terephthalic acid in common solvents makes its industrial production very difficult and not environmentally benign. Ionic liquids are known for their extraordinary solvent properties, with capability to dissolve a wide variety of materials, from common solvents to cellulose, opening new possibilities to find more suitable solvents for terephthalic acid. This work presents studies on the solubility of terephthalic acid in ionic liquids, and demonstrates that terephthalic acid is soluble in ionic liquids, such as 1-ethyl-3-methylimidazolium diethylphosphate, 1-butyl-3-methylimidazolium acetate, and dialkylimidazolium chlorides up to four times higher than in DMSO. Additionally, the temperature effect and correlation of ionic liquid structure with solubility efficiency are discussed.

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5

Wu, Tian, Qing Huang, Wei Li, Gongxuan Chen, Xiaoling Ma y Guoping Zeng. "Electroreduction of Copper Dichloride Powder to Copper Nanoparticles in an Ionic Liquid". Journal of Nanomaterials 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/751424.

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There were a large number of ionic liquids electrodeposition reported in the literature; but were still in the laboratory stage some problems in the practical application of electrodeposition remain such as easily reacted with moisture in the air (AlCl3ionic liquid), high cost, and corrosive (dialkylimidazolium cation andBF4−,PF6−ionic liquid). In addition to the above shortcomings, low solubility of many metal salts in ionic liquids limits the practical application. In order to solve the problem of low solubility, [Bmim]Cl could be added [Bmim]PF6, which could significantly increase the solubility of metal chlorides; this method could be commonly used in preparing metal electrochemical reduction of metal chlorides. Our study showed that adding cationic groups in hydroxyl ionic liquid could cause the good solubility of transition metal chlorides, such as CuCl2. Complexation of hydroxyl functional group and transition metal ions increased solubility, resulting in a larger deposition current density and surface electrochemical reduction of copper nanoparticles deposited on the metal Ni. The electroreduction mechanism and behavior of CuCl2in hydroxyl ionic liquid and the Cu nanoparticle formation mechanism were investigated based on a comparison between similar experiments in the ionic liquid.

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6

Buchowski, H. y A. Khiat. "Solubility of solids in liquids: one-parameter solubility equation". Fluid Phase Equilibria 25, n.º 3 (enero de 1986): 273–78. http://dx.doi.org/10.1016/0378-3812(86)80003-6.

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7

Lei, Zhigang, Chengna Dai y Biaohua Chen. "Gas Solubility in Ionic Liquids". Chemical Reviews 114, n.º 2 (6 de noviembre de 2013): 1289–326. http://dx.doi.org/10.1021/cr300497a.

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8

Turner, J. C. R. "Solubility of Gases in Liquids". Chemical Engineering Science 46, n.º 9 (1991): 2385. http://dx.doi.org/10.1016/0009-2509(91)85142-k.

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9

Manic, Marina S. y Vesna Najdanovic-Visak. "Solubility of Mixtures Containing Soybean Oil, Ionic Liquid and Methanol". Open Chemical Engineering Journal 10, n.º 1 (8 de abril de 2016): 41–49. http://dx.doi.org/10.2174/1874123101610010041.

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This paper presents data on mutual solubility of the binary (soybean oil + ionic liquid) and ternary (soybean oil + methanol + ionic liquid) systems, where ionic liquid stands for 1-butyl-3-methylimidazolium thiocyanate [C4MIM][SCN] or 1-butyl-3-methyl-imidazolium bis(trifluoromethylsulfonyl)imide [C4MIM][NTf2] or 1-butyl-3-methylimidazolium dicyanamide [C4MIM][DCA] or 1-butyl-3-methylimidazolium hexafluorophosphate [C4MIM][PF6] or 1-butyl-3-methyl imida zolium hydrogensulfate [C4MIM] [HSO4] or 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C10MIM][NTf2] or methyltrioctylammonium bis(trifluoromethylsulfonyl)imide [ALIQUAT][NTf2] or methyltrioctylammonium chloride [ALIQUAT][Cl]. Solubilities were determined by the cloud point titration method in the temperature range of 298 K to 343 K. Obtained results suggest that imidazolium based ionic liquids exhibit lower solubility in soybean oil than ionic liquids with the aliquat cation. Thus, aliquat based ionic liquids are good candidate to be used as co-solvents for biphasic (methanol + soybean oil) mixture.

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10

Gamsjäger, Heinz, John W. Lorimer, Mark Salomon, David G. Shaw y Reginald P. T. Tomkins. "The IUPAC-NIST Solubility Data Series: A guide to preparation and use of compilations and evaluations (IUPAC Technical Report)". Pure and Applied Chemistry 82, n.º 5 (22 de marzo de 2010): 1137–59. http://dx.doi.org/10.1351/pac-rep-09-10-33.

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The IUPAC-NIST Solubility Data Series (SDS) is an ongoing project that provides comprehensive reviews of published data for solubilities of gases, liquids, and solids in liquids or solids. Data are compiled in a uniform format, evaluated, and, where data from independent sources agree sufficiently, recommended values are proposed. This paper is a guide to the SDS and is intended for the benefit of both those who use the SDS as a source of critically evaluated solubility data and who prepare compilations and evaluations for future volumes. A major portion of this paper presents terminology and nomenclature currently recommended by IUPAC and other international bodies and relates these to obsolete forms that appear in the older solubility literature. In addition, this paper presents a detailed guide to the criteria and procedures used in data compilation, evaluation, and presentation and considers special features of solubility in gas + liquid, liquid + liquid, and solid + liquid systems. In the past, much of this information was included in introductory sections of individual volumes of the SDS. However, to eliminate repetitive publication, this information has been collected, updated, and expanded for separate publication here.

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11

Buchowski, Henryk. "Solubility of Solids in Liquids Centenary of First Solubility Equation". Zeitschrift für Physikalische Chemie 185, Part_2 (enero de 1994): 233–44. http://dx.doi.org/10.1524/zpch.1994.185.part_2.233.

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12

Marciniak, Andrzej. "The Solubility Parameters of Ionic Liquids". International Journal of Molecular Sciences 11, n.º 5 (27 de abril de 2010): 1973–90. http://dx.doi.org/10.3390/ijms11051973.

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13

Yoo, Brian, Waheed Afzal y John M. Prausnitz. "Solubility Parameters for Nine Ionic Liquids". Industrial & Engineering Chemistry Research 51, n.º 29 (13 de julio de 2012): 9913–17. http://dx.doi.org/10.1021/ie300588s.

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14

Zakrzewska, Małgorzata Ewa, Ewa Bogel-Łukasik y Rafał Bogel-Łukasik. "Solubility of Carbohydrates in Ionic Liquids". Energy & Fuels 24, n.º 2 (18 de febrero de 2010): 737–45. http://dx.doi.org/10.1021/ef901215m.

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15

Wisniak, Jaime, Alexander Apelblat y Hugo Segura. "The Solubility of Gases in Liquids". Physics and Chemistry of Liquids 34, n.º 3 (mayo de 1997): 125–53. http://dx.doi.org/10.1080/00319109708030558.

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16

Holmes, L. H. "The Solubility of Gases in Liquids". Journal of Chemical Education 73, n.º 2 (febrero de 1996): 143. http://dx.doi.org/10.1021/ed073p143.

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17

Manic, Marina S. y Vesna Najdanovic-Visak. "Solubility of erythromycin in ionic liquids". Journal of Chemical Thermodynamics 44, n.º 1 (enero de 2012): 102–6. http://dx.doi.org/10.1016/j.jct.2011.08.004.

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18

Liu, Hui, Guo-hong Tao, David G. Evans y Yuan Kou. "Solubility of C60 in ionic liquids". Carbon 43, n.º 8 (julio de 2005): 1782–85. http://dx.doi.org/10.1016/j.carbon.2005.01.018.

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19

Mandal, Pritha y Anisur R. Molla. "Study of Protein Structures under the Influence of Imidazolium Based Ionic Liquids". Asian Journal of Chemistry 34, n.º 7 (2022): 1633–38. http://dx.doi.org/10.14233/ajchem.2022.23735.

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Ionic liquids are nowadays extremely popular in the advanced research field of many disciplines including chemistry, chemical engineering, material science, biology and pharmaceuticals. Unique physico-chemical properties of the ionic liquids such as low vapor pressure, stability, large liquid range, broad solubility and easy modification of structures are responsible for its vast application. Imidazolium based ionic liquids are one of the most widely used ionic liquids and theses are extensively studied in the field of protein research. In this mini-review, imidazolium ionic liquid induced effect on the structure and function of protein molecules are discussed.

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20

Anderson, Kris, Martin P. Atkins, Julien Estager, Yongcheun Kuah, Shieling Ng, Alexander A. Oliferenko, Natalia V. Plechkova, Alberto V. Puga, Kenneth R. Seddon y David F. Wassell. "Carbon dioxide uptake from natural gas by binary ionic liquid–water mixtures". Green Chemistry 17, n.º 8 (2015): 4340–54. http://dx.doi.org/10.1039/c5gc00720h.

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Carbon dioxide solubility in a set of carboxylate ionic liquids formulated with stoicheiometric amounts of water is found to be significantly higher than for other ionic liquid systems previously reported.

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21

Schop, Marijke, Alfons J. M. Jansman, Sonja de Vries y Walter J. J. Gerrits. "Increasing intake of dietary soluble nutrients affects digesta passage rate in the stomach of growing pigs". British Journal of Nutrition 121, n.º 5 (30 de enero de 2019): 529–37. http://dx.doi.org/10.1017/s0007114518003756.

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AbstractThe passage rate of solids and liquids through the gastrointestinal tract differs. Increased dietary nutrient solubility causes nutrients to shift from the solid to the liquid digesta fraction and potentially affect digesta passage kinetics. We quantified: (1) the effect of three levels of dietary nutrient solubility (8, 19 and 31 % of soluble protein and sucrose in the diet) at high feed intake level (S) and (2) the effect of lowv.high feed intake level (F), on digesta passage kinetics in forty male growing pigs. The mean retention time (MRT) of solids and liquids in the stomach and small intestine was assessed using TiO2and Cr-EDTA, respectively. In addition, physicochemical properties of digesta were evaluated. Overall, solids were retained longer than liquids in the stomach (2·0 h,P<0·0001) and stomach+small intestine (1·6 h,P<0·001). When S increased, MRT in stomach decreased by 1·3 h for solids (P=0·01) and 0·7 h for liquids (P=0·002) but only at the highest level of S. When F increased using low-soluble nutrients, MRT in stomach increased by 0·8 h for solids (P=0·041) and 0·7 h for liquids (P=0·0001). Dietary treatments did not affect water-binding capacity and viscosity of digesta. In the stomach of growing pigs, dietary nutrient solubility affects digesta MRT in a non-linear manner, while feed intake level increases digesta MRT depending on dietary nutrient solubility. Results can be used to improve predictions on the kinetics of nutrient passage and thereby of nutrient digestion and absorption in the gastrointestinal tract.

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22

Sarraguça, Mafalda C., Paulo R. S. Ribeiro, Cláudia Nunes y Catarina Leal Seabra. "Solids Turn into Liquids—Liquid Eutectic Systems of Pharmaceutics to Improve Drug Solubility". Pharmaceuticals 15, n.º 3 (23 de febrero de 2022): 279. http://dx.doi.org/10.3390/ph15030279.

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The low solubility of active pharmaceutical ingredients (APIs) is a problem in pharmaceutical development. Several methodologies can be used to improve API solubility, including the use of eutectic systems in which one of the constituents is the API. This class of compounds is commonly called Therapeutic Deep Eutectic Systems (THEDES). THEDES has been gaining attention due to their properties such as non-toxicity, biodegradability, and being non-expensive and easy to prepare. Since the knowledge of the solid liquid diagram of the mixture and the ideal eutectic point is necessary to ascertain if a mixture is a deep eutectic or just a eutectic mixture that is liquid at ambient temperature, the systems studied in this work are called Therapeutic Liquid Eutectic Systems (THELES). Therefore, the strategy proposed in this work is to improve the solubility of chlorpropamide and tolbutamide by preparing THELES. Both APIs are sulfonylurea compounds used for the treatment of type 2 diabetes mellitus and have low solubility in water. To prepare the THELES, several coformers were tested, namely, tromethamine, L(+)-arginine, L-tryptophan, citric acid, malic acid, ascorbic acid, and p-aminobenzoic acid, in molar ratios of 1:1 and 1:2. To improve viscosity, water was added in different molar ratios to all systems. THELES were characterized by mid-infrared spectroscopy (MIR), and differential scanning calorimetry. Their viscosity, solubility, and permeability were also determined. Their stability at room temperature and 40 °C was accessed by MIR. Cytocompatibility was performed by metabolic activity and cell lysis evaluation, according to ISO10993-5:2009, and compared with the crystalline APIs. THELES with TRIS were successfully synthesized for both APIs. Results showed an increased solubility without a decrease in the permeability of the APIs in the THELES when compared with the pure APIs. The THELES were also considered stable for 8 weeks at ambient temperature. The cells studied showed that the THELES were not toxic for the cell lines used.

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23

Fogg, Peter G. T., Sim-wan Annie Bligh, M. Elizabeth Derrick, Yuri P. Yampol’skii, H. Lawrence Clever, Adam Skrzecz, Colin L. Young y Peter G. T. Fogg. "IUPAC-NIST Solubility Data Series. 76. Solubility of Ethyne in Liquids". Journal of Physical and Chemical Reference Data 30, n.º 6 (noviembre de 2001): 1693–875. http://dx.doi.org/10.1063/1.1397768.

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24

Tian, Tian, Xiaoling Hu, Ping Guan y Xiaoqi Ding. "Research on solubility and bio-solubility of amino acids ionic liquids". Journal of Molecular Liquids 225 (enero de 2017): 224–30. http://dx.doi.org/10.1016/j.molliq.2016.11.071.

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25

Kurnia, Kiki Adi, Pranesh Matheswaran, Choo Jia How, Mohd Hilmi Noh y Yuly Kusumawati. "A comprehensive study on the impact of chemical structures of ionic liquids on the solubility of ethane". New Journal of Chemistry 44, n.º 26 (2020): 11155–63. http://dx.doi.org/10.1039/d0nj02221g.

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The solubility of ethane is not only governed by the electrostatic–misfit of the solute toward ionic liquids, but also the existence of a preferential site for ethane to interact with the ionic liquid's non-polar moiety.

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26

Xiao, Li y Keith E. Johnson. "Ionic liquids derived from trialkylsulfonium bromides: Physicochemical properties and potential applications". Canadian Journal of Chemistry 82, n.º 4 (1 de abril de 2004): 491–98. http://dx.doi.org/10.1139/v04-004.

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Several new ionic liquids were prepared from trialkylsulfonium bromides and AlCl3 or HCl. They include both Lewis basic and acidic combinations of Et3SBr with AlCl3, which are liquid at ambient temperatures. Density, molarity, conductivity, NMR, infrared, and electrochemical data are presented. The sulfonium cations are not hydrogen bonding, are unattacked by hydride, provide NMR windows in the aromatic regions, and offer different solubility prospects from ionic liquids derived from aromatic cations.Key words: ionic liquids, triethylsulfonium, haloaluminates, halohydrogenates, molarities, NMR, voltammetry, hydride.

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27

Marcus, Yizhak. "Are solubility parameters relevant for the solubility of liquid organic solutes in room temperature ionic liquids?" Journal of Molecular Liquids 214 (febrero de 2016): 32–36. http://dx.doi.org/10.1016/j.molliq.2015.11.019.

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28

Karmakar, Anwesa, Rangachary Mukundan, Ping Yang y Enrique R. Batista. "Solubility model of metal complex in ionic liquids from first principle calculations". RSC Advances 9, n.º 32 (2019): 18506–26. http://dx.doi.org/10.1039/c9ra04042k.

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29

Guo, Li Ying y Mu Zhang. "Comparative Studies on Synthesis of Imidazole Ionic Liquids and Their Solubility for Wood by Microwave". Advanced Materials Research 113-116 (junio de 2010): 1744–48. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.1744.

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The present work deals with the synthesis of various imidazole ionic liquids [BMIM]Cl, [AMIM]Cl, [AEIM]Cl, [HeEIM]Cl and [HeVIM]Cl, the chemical structures of ionic liquids by FTIR and 1HNMR, the pretreatment of wood powder as extracted with a mixture of benzene/ethanol or activated with 25% (mass fraction) NaOH under normal temperature and pressure, microwave and high pressure, studies the solubility of ionic liquids on the wood powder by microwave (90°C, 400w), and analyses the microstructure of the wood before and after dissolution as measured by SEM. The result shows that all the ionic liquids can dissolve the wood fiber directly, ionic liquids containing hydroxyl group exhibit better solubility. Wood powder pretreated with 25% NaOH under high pressure has the lowest crystallinity (2.4%) and the highest dissolution rate. The solubility of [HeVIM]Cl is the best, which approach to 21.6%.

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30

Anwer, Md Khalid, Mohammad Muqtader, Muzaffar Iqbal, Raisuddin Ali, Bjad K. Almutairy, Abdullah Alshetaili, Saad M. Alshahrani, Mohammed F. Aldawsari, Ahmed Alalaiwe y Faiyaz Shakeel. "Estimating the Solubility, Solution Thermodynamics, and Molecular Interaction of Aliskiren Hemifumarate in Alkylimidazolium Based Ionic Liquids". Molecules 24, n.º 15 (1 de agosto de 2019): 2807. http://dx.doi.org/10.3390/molecules24152807.

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Estimating the solubility and solution thermodynamics parameters of aliskiren hemifumarate (AHF) in three different room temperature ionic liquids (RTILs), Transcutol-HP (THP) and water are interesting as there is no solubility data available in the literature. In the current study, the solubility and solution thermodynamics of AHF in three different RTILs, THP and water at the temperature range from 298.2 to 318.2 K under air pressure 0.1 MP were evaluated. The solid phase evaluation by Differential Scanning Calorimetry (DSC) and Powder X-ray Diffraction (PXRD) indicated no conversion of AHF into polymorph. The mole fraction solubility of AHF was found to be highest in 1-hexyl-3-methylimidazolium hexafluorophosphate (HMMHFP) ionic liquid (7.46 × 10−2) at 318.2 K. The obtained solubility values of AHF was regressed by the Apelblat and van’t Hoff models with overall root mean square deviations (RMSD) of 0.62% and 1.42%, respectively. The ideal solubility of AHF was higher compared to experimental solubility values at different temperatures. The lowest activity coefficient was found in HMMHFP, which confirmed highest molecular interaction between AHF–HMMHFP. The estimated thermodynamic parameters confirmed endothermic and entropy driven dissolution of AHF in different RTILs, THP, and water.

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31

Tregubov, Dmytro, Ilgar Dadashov, Vitalii Nuianzin, Olena Khrystych y Natalya Minska. "Relationship Between Properties of Floating Systems and Flammable Liquids in the Stopping Their Burning Technology". Key Engineering Materials 954 (31 de agosto de 2023): 145–55. http://dx.doi.org/10.4028/p-krzrd9.

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The contributions balance of isolation and cooling effects relative to the liquids surface to slow down their evaporation and to achieve safe vapor concentrations is determined. The influence of liquids characteristic temperatures and their water solubility on this process is considered. It is proven that the long-term effect of such means is provided by systems based on closed-pore floating solid materials (for example, foam glass). It is proposed to increase the foam glass low isolation and cooling capacity either by coating it with an inorganic gel or by wetting it with water. Smaller evaporation retardation coefficients by gel were obtained for liquids with the higher water solubility. A 5–6 times greater cooling capacity of the wet foam glass than dry foam glass was obtained for both polar and non-polar liquids. A smaller cooling effect is observed for liquids with a higher vaporization heat and is similar for both the use of the dry and wet foam glass. It was found that for low-boiling non-polar liquids, the evaporation slowing down is more effectively achieved by using isolation effects, and for high-boiling polar and non-polar liquids - by using cooling effects. It is proved that the fire extinguishing effect by applying the foam glass layer on the flammable liquid surface occurs in a similar way for liquids with close equivalent cluster lengths and not flash temperatures.

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32

He, Wei Wei, Guang Fei Qu, Qian Zhao y Xiao Fen Li. "Application of Magnetic Ionic Liquids". Key Engineering Materials 727 (enero de 2017): 98–105. http://dx.doi.org/10.4028/www.scientific.net/kem.727.98.

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Magnetic Ionic liquids are a class of functional ionic liquids with magnetic. Because of outstanding thermal stability, excellent electrochemical properties, good solubility and recyclability, it has broad application prospects in catalysis, separation extraction, material synthesis and other fields. The main applications of magnetic ionic liquids in recent years are reviewed especially in the field of magnetic separation and catalytic. It shows a huge advantage that can highly efficiently catalyze myriads of reactions, and can be recovered and reused by a magnetic field. With the further research of magnetic ionic liquids, it is believed that the magnetic ionic liquid will be applied in more fields.

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33

Tian, Peng, Yan Hong Kang, Zhi Gang Zhao, Tian Ling Qin, Bo Meng y Wen Le Du. "Preparation and Characterization of 1-methyl-3-butyl Nitrate". Applied Mechanics and Materials 303-306 (febrero de 2013): 2675–78. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.2675.

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1-methyl-3-butyl Imidazole chloride is prepared by 1–methyl imidazole and chlorinated n-butane. The synthesis reaction of 1-methyl-3-butyl imidazole tetrafluoroborate is in the acetone. The solubility of NaNO3and BMIC in acetone is not large, but due to the insolubility in acetone of reaction product NaCl and continuous precipitation from the liquid phase in the reaction process, so as to promote the reaction continuously towards forward direction. The colorless transparent and odorless BMINO3are gotten. We use infrared spectrometer for the structure characterization, it is proved that we have gotten BMINO3room temperature ionic liquids. BMIC and BMINO3ionic liquids have better solubility in H2O, ethanol, ethyl acetate, acetone, acetonitrile, and methanol, and is insoluble in the ether and cyclohexane.

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34

Xia, Luyue, Shanshan Liu y Haitian Pan. "Prediction of the Solubility of CO2 in Imidazolium Ionic Liquids Based on Selective Ensemble Modeling Method". Processes 8, n.º 11 (28 de octubre de 2020): 1369. http://dx.doi.org/10.3390/pr8111369.

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Solubility data is one of the essential basic data for CO2 capture by ionic liquids. A selective ensemble modeling method, proposed to overcome the shortcomings of current methods, was developed and applied to the prediction of the solubility of CO2 in imidazolium ionic liquids. Firstly, multiple different sub–models were established based on the diversities of data, structural, and parameter design philosophy. Secondly, the fuzzy C–means algorithm was used to cluster the sub–models, and the collinearity detection method was adopted to eliminate the sub–models with high collinearity. Finally, the information entropy method integrated the sub–models into the selective ensemble model. The validation of the CO2 solubility predictions against experimental data showed that the proposed ensemble model had better performance than its previous alternative, because more effective information was extracted from different angles, and the diversity and accuracy among the sub–models were fully integrated. This work not only provided an effective modeling method for the prediction of the solubility of CO2 in ionic liquids, but also provided an effective method for the discrimination of ionic liquids for CO2 capture.

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35

Uddin, Mohammad Nasir, Debasish Basak, Robert Hopefl y Babak Minofar. "Potential Application of Ionic Liquids in Pharmaceutical Dosage Forms for Small Molecule Drug and Vaccine Delivery System". Journal of Pharmacy & Pharmaceutical Sciences 23 (13 de mayo de 2020): 158–76. http://dx.doi.org/10.18433/jpps30965.

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Ionic liquids are salts in which the ions are poorly coordinated, which causes them to exist in liquid form below 100°C, or at room temperature. Therefore, these are also defined as room temperature ionic liquids (RTILs). In ionic liquids, at least one ion has a delocalized charge and one component is organic, which prevents the formation of a stable solid form of crystal lattice. Physical properties of ionic liquids, such as melting point, viscosity, and solubility of starting materials and other solvents, are impacted by the substituents on the organic component and by the counterions. Many ionic liquids have even been developed to address specific synthetic problems and that is the reason these are also termed as "designer solvents". Ionic liquids are considered as “green solvents” that exhibit several unique characteristics such as high ionic conductivity, high solvation power, thermal stability, low volatility, and recyclability. Although very useful with several advantages, ionic liquids have some limitations that include high cost and ease of recycling. Moreover, the toxicity and biodegradability of ionic liquids are not yet well understood. Nonetheless, ionic liquids can potentially be used in the field of pharmacy in drug design and formulation development. In drug or vaccine dosage formulation development, ionic liquids can be used as a solubility enhancer, permeability enhancer, stabilizer, targeted delivery inducer, stealth property provider or bioavailability enhancer. In this article we reviewed the physical properties of ionic liquids and potential application of ionic liquids in developing formulations for vaccines and small molecule drugs (A table has been added).

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KUMANO, MASAMI, TOMOKI YABUTANI, JUNKO MOTONAKA y YUJI MISHIMA. "RECOVERY AND EXTRACTION OF HEAVY METAL IONS USING IONIC LIQUID AS GREEN SOLVENT". International Journal of Modern Physics B 20, n.º 25n27 (30 de octubre de 2006): 4051–56. http://dx.doi.org/10.1142/s0217979206040842.

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Ionic liquids are expected to replace conventional organic solvents in organic synthesis, solvent extraction and electrochemistry due to their unique characters such as low volatility, high stability and so on. In this work, N , N ,-diethyl- N -methyl- N -(2-methoxyethyl) ammonium bis(trifluoromethansulfonyl)imide was used as an alternative solvent to extract heavy metal ions. As the extracting conditions, the additional effect of 8-hydroxyquinoline (8-HQ) as metal chelating agent into ionic liquids, shaking time and volume ratio were investigated. As extraction efficiency depended on 8-HQ concentration significantly, in order to extract high concentrated metal ions the solubility of 8-HQ into ionic liquid was tested. N , N ,-diethyl- N -methyl- N -(2-methoxyethyl) ammonium bis(trifluoromethansulfonyl)imide had good solubility of 8-HQ. Consequently, 5 μmol of copper, zinc, cadmium and manganese could be completely recovered with 100 μl of ionic liquid.

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Marcus, Yizhak. "The Solubility Parameter of Carbon Dioxide and Its Solubility in Ionic Liquids". Journal of Solution Chemistry 48, n.º 7 (10 de octubre de 2018): 1025–34. http://dx.doi.org/10.1007/s10953-018-0816-y.

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Ghareh Bagh, Fatemeh Saadat, Farouq S. Mjalli, Mohd Ali Hashim, Mohamed Kamel Omar Hadj-Kali y Inas M. AlNashef. "Solubility of Sodium Chloride in Ionic Liquids". Industrial & Engineering Chemistry Research 52, n.º 33 (13 de agosto de 2013): 11488–93. http://dx.doi.org/10.1021/ie401282y.

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Fornari, Tiziana, Elvis J. Hernández y Guillermo Reglero. "Solubility of supercritical gases in organic liquids". Journal of Supercritical Fluids 51, n.º 2 (diciembre de 2009): 115–22. http://dx.doi.org/10.1016/j.supflu.2009.08.015.

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Wong, Yuewen, Zheng Jian Chen, Timothy Thatt Yang Tan y Jong-Min Lee. "Hildebrand Solubility Parameters of Amidium Ionic Liquids". Industrial & Engineering Chemistry Research 54, n.º 48 (25 de noviembre de 2015): 12150–55. http://dx.doi.org/10.1021/acs.iecr.5b02705.

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Berton, Paula, Manish Kumar Mishra, Hemant Choudhary, Allan S. Myerson y Robin D. Rogers. "Solubility Studies of Cyclosporine Using Ionic Liquids". ACS Omega 4, n.º 5 (mayo de 2019): 7938–43. http://dx.doi.org/10.1021/acsomega.9b00603.

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Muldoon, Mark J., Sudhir N. V. K. Aki, Jessica L. Anderson, JaNeille K. Dixon y Joan F. Brennecke. "Improving Carbon Dioxide Solubility in Ionic Liquids". Journal of Physical Chemistry B 111, n.º 30 (agosto de 2007): 9001–9. http://dx.doi.org/10.1021/jp071897q.

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dos Santos, Ana Duarte, Ana R. C. Morais, Catarina Melo, Rafał Bogel-Łukasik y Ewa Bogel-Łukasik. "Solubility of pharmaceutical compounds in ionic liquids". Fluid Phase Equilibria 356 (octubre de 2013): 18–29. http://dx.doi.org/10.1016/j.fluid.2013.07.020.

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Lei, Zhigang, Chengna Dai y Biaohua Chen. "ChemInform Abstract: Gas Solubility in Ionic Liquids". ChemInform 45, n.º 10 (21 de febrero de 2014): no. http://dx.doi.org/10.1002/chin.201410266.

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Glas, Daan, Charlie Van Doorslaer, Daphne Depuydt, Falk Liebner, Thomas Rosenau, Koen Binnemans y Dirk E. De Vos. "Lignin solubility in non-imidazolium ionic liquids". Journal of Chemical Technology & Biotechnology 90, n.º 10 (19 de agosto de 2014): 1821–26. http://dx.doi.org/10.1002/jctb.4492.

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46

Shiflett, Mark B. y Edward J. Maginn. "The solubility of gases in ionic liquids". AIChE Journal 63, n.º 11 (21 de septiembre de 2017): 4722–37. http://dx.doi.org/10.1002/aic.15957.

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Mortazavi-Manesh, Soheil, Marco Satyro y Robert A. Marriott. "Modelling carbon dioxide solubility in ionic liquids". Canadian Journal of Chemical Engineering 91, n.º 4 (30 de abril de 2012): 783–89. http://dx.doi.org/10.1002/cjce.21687.

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Costa Gomes, M. F., J. Deschamps y D. H. Menz. "Solubility of dioxygen in seven fluorinated liquids". Journal of Fluorine Chemistry 125, n.º 9 (septiembre de 2004): 1325–29. http://dx.doi.org/10.1016/j.jfluchem.2004.03.013.

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De Luna, Mark M., Prathamesh Karandikar y Malancha Gupta. "Interactions between polymers and liquids during initiated chemical vapor deposition onto liquid substrates". Molecular Systems Design & Engineering 5, n.º 1 (2020): 15–21. http://dx.doi.org/10.1039/c9me00087a.

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Rumble, John, Angela Y. Lee, Dorothy Blakeslee y Shari Young. "Reliable solubility data in the age of computerized chemistry. Why, how, and when?" Pure and Applied Chemistry 73, n.º 5 (1 de mayo de 2001): 825–29. http://dx.doi.org/10.1351/pac200173050825.

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Since 1979, the International Union of Pure and Applied Chemistry (IUPAC) Commission V.8 on Solubility Data has published over 70 compilations of evaluated data on the solubility of gases in liquids, liquids in liquids, and solids in liquids. These volumes represent one of the largest collections of chemical property data ever produced and are the result of work of scientists throughout the world. In 1998, IUPAC signed an agreement with the National Institute of Standards and Technology (NIST) to continue the series by replacing the monographs by articles in the Journal of Physical and Chemical Reference Data. Five data compilations have already been published in the Journal, and many more are under way. Recently, IUPAC and NIST have concluded another agreement about computerizing all previously published IUPAC solubility data. In this paper, we describe in detail the computerization of IUPAC solubility data, with some emphasis on harmonizing data published over a long time period. We describe the anticipated query paths that will be supported. We also discuss some of the driving forces for making these and other data resources available over the World Wide Web.

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