Electrical conductivity of lithium chloride solutions in the system isopropyl alcohol-water

Yurkinskii, V. P.; Firsova, E. G.; Chechulina, O. V.; Soboleva, Alexandra

doi:10.1134/s1070427208090140

Cited by 3 publications

(6 citation statements)

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“…The electrical conductivity of dilute solutions is usually correlated using the Kohlrausch equation, Onsager limiting equation, Fuoss conductance–concentration equation, Fuoss–Hsia equation, and Foss–Chen–Justice equation . However, most of these equations are not applicable to concentrated solutions or the water–alcohol system, thus, new correlation equations are needed. Dufrêche et al combined the Smoluchowski–mean spherical approximation theory to describe the equilibrium properties of aqueous alkali chloride solutions with concentrations of 1–2 mol·dm –3 .…”

Section: Resultsmentioning

confidence: 99%

“…17 Yurkinskii et al studied the electrical conductivity of a LiCl−H 2 O−isopropyl alcohol solution over the temperature range of 290.15−323.15 K with a percentage of water in the mixture ranging from 0 to 50% and found that the Kohlrausch law was not applicable to the water−alcohol system. 24 Dastan et al reported on the electrical properties of poly(vinyl alcohol) ammonium dichromate and how the dielectric constant could be enhanced by introducing TiO 2 nanoparticles (prepared by the solvothermal 25 or sol−gel methods 26 ) into the solution. 27 Notably, the nanoparticle preparation was influenced by different organic surfactants.…”

Section: Ece Power Output Heat Input Pump Consumptionmentioning

confidence: 99%

“…The electrical conductivity and electrical convertibility of solutions consisting of KAc in water, ethanol, 2,2,2-trifluoroethanol, 2-propanol, and their binary mixtures have been reported by Wu et al Furthermore, these researchers also measured the electrical conductivity of lithium acetate (LiAc), NaAc, and KAc in methanol . Yurkinskii et al studied the electrical conductivity of a LiCl–H 2 O–isopropyl alcohol solution over the temperature range of 290.15–323.15 K with a percentage of water in the mixture ranging from 0 to 50% and found that the Kohlrausch law was not applicable to the water–alcohol system . Dastan et al reported on the electrical properties of poly(vinyl alcohol) ammonium dichromate and how the dielectric constant could be enhanced by introducing TiO 2 nanoparticles (prepared by the solvothermal or sol–gel methods) into the solution .…”

Section: Introductionmentioning

confidence: 99%

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Electrical Conductivity of Lithium Chloride, Lithium Bromide, and Lithium Iodide Electrolytes in Methanol, Water, and Their Binary Mixtures

Gong

et al. 2019

J. Chem. Eng. Data

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Low-grade thermal energy can be converted to electricity by integrating multi-effect distillation and reverse electrodialysis technologies. The energy conversion efficiency of such a system is strongly influenced by the working solution. Here, six binary solutions (LiCl/LiBr/LiI in H2O and LiCl/LiBr/LiI in methanol) and three ternary solutions (LiCl/LiBr/LiI in methanol and H2O mixture) are assessed as candidate working solutions. Electrical conductivities of these solutions were measured over a wide concentration range (up to 12.4 mol·kg–1), and the results were examined with the Casteel–Amis equation and the modified Gaussian amplitude equation. Previous experimental results have shown that the electrical conductivity of solutions is influenced by the concentration, temperature, and characteristics of the solute and solvent. At 293.15 K, the maximum electrical conductivity was 201.6 ± 3.8 mS·cm–1 for an aqueous LiI solution at 6.38 mol·kg–1. Furthermore, the electrical conductivity decreased in the order: LiI–solvent > LiBr–solvent > LiCl–solvent (for the same solvent) and LiX (X = I, Br, or Cl)–H2O > LiX–methanol–H2O > LiX–methanol (for the same solute) under the same concentration and temperature conditions. Hence, LiX–methanol–H2O ternary solutions show good potential as working solutions considering their electrochemical and thermodynamic properties comprehensively.

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Section: Resultsmentioning

confidence: 99%

Section: Ece Power Output Heat Input Pump Consumptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Electrical Conductivity of Lithium Chloride, Lithium Bromide, and Lithium Iodide Electrolytes in Methanol, Water, and Their Binary Mixtures

Gong

et al. 2019

J. Chem. Eng. Data

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“…Our study was performed in the temperature range 290-323 K. The experimental procedure has been described previously [6,7]. We used propanol of chemically pure grade.…”

Section: Methodsmentioning

confidence: 99%

“…Proceeding with previous studies [6,7], we examined the electrical conductivity of lithium chloride solutions in the propanol-water system in relation to temperature and salt concentration.…”

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Electrical conductivity of lithium chloride solutions in the propanol-water system

2012

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Electrical conduction of lithium chloride solutions in the propanol-water system was studied in the temperature range by using the conductometric method. The electrical conductivity of the solutions was determined in relation to the contents of water and lithium chloride.Recently, solutions of lower aliphatic alcohols have been fi nding increasingly wide application in modern technological practice [1][2][3].It is known that the physicochemical properties of alcohols strongly depend on their content of dissolved water [4,5]. A topical task in this regard is to develop a proximate method for evaluating the content of water in alcoholic solutions. In development of a conductometric technique for determining the content of water in aqueous-alcoholic solutions, it is necessary to know their electrical conductivity. There is published evidence about the electrical conductivity of aqueousorganic electrolytes, but the effect of the water content on this parameter has been insuffi ciently studied [5].Proceeding with previous studies [6, 7], we examined the electrical conductivity of lithium chloride solutions in the propanol-water system in relation to temperature and salt concentration. EXPERIMENTALOur study was performed in the temperature range 290-323 K. The experimental procedure has been described previously [6,7]. We used propanol of chemically pure grade. The concentration of lithium chloride was varied within the range 0.010-2.566 M, and the content of water in the mixtures, from 0 to 50 vol %.Using the experimental data, we determined the electrical conductivity χ (S cm -1 ) of the solutions under study and obtained temperature dependences χ = f(T) and isotherms χ = f(c LiCl ) at varied content of water in the aqueous-alcoholic solution. The experimental data were processed by using standard computer software ORIDGIN. Figure 1 shows a typical example of the χ = f(T) Fig. 1. Electrical conductivity χ vs. temperature T for lithium chloride solutions in the propanol-water system (2 vol %). Lithium chloride concentration c LiCl (M): (1) 0.010, (2) 0.021, (3) 0.041, (4) 0.062, (5) 0.083, and (6) 0.104. χ, S cm -1 T, K

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Electrical Conductivity of Lithium, Sodium, Potassium, and Quaternary Ammonium Salts in Water, Acetonitrile, Methanol, and Ethanol over a Wide Concentration Range

Dorn,

Kareth,

Weidner

et al. 2024

J. Chem. Eng. Data

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CO2 can be electrochemically converted to commodity chemicals with the support of aqueous or organic electrolytes. However, aqueous electrolytes mainly lead to H2 production due to the low solubility of CO2 in water whereas organic electrolytes favor the formation of organic products. In addition to selectivity, fast CO2 conversion is also important, which is significantly influenced by the conductivity of the electrolyte. However, the most studied electrolytes are aqueous and at low salt concentrations. Therefore, in this work, the electrical conductivity of 164 electrolytes was investigated in a wide concentration range and a temperature range T = (288.15 to 333.15 K) using automated conductometry. After the measurements, the results were correlated using the Casteel–Amis equation. This choice was made because many factors affecting conductivity are well documented in the literature but not universally quantifiable for all electrolytes due to isolated consideration. The wide variety of different electrolytes investigated in this study highlights the importance of considering these factors holistically rather than in isolation. Nevertheless, NaI and KSCN in methanol and (C2H5)4NBF4 in acetonitrile were identified as the three organic electrolytes with the highest conductivity. These solutions have the potential to be used as electrolytes for CO2 reduction.

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Electrical conductivity of lithium chloride solutions in the system isopropyl alcohol-water

Cited by 3 publications

References 1 publication

Electrical Conductivity of Lithium Chloride, Lithium Bromide, and Lithium Iodide Electrolytes in Methanol, Water, and Their Binary Mixtures

Electrical Conductivity of Lithium Chloride, Lithium Bromide, and Lithium Iodide Electrolytes in Methanol, Water, and Their Binary Mixtures

Electrical conductivity of lithium chloride solutions in the propanol-water system

Electrical Conductivity of Lithium, Sodium, Potassium, and Quaternary Ammonium Salts in Water, Acetonitrile, Methanol, and Ethanol over a Wide Concentration Range

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