Conductivities and ionic association of copper(II) and manganese(II) sulfates in ethanol + water at 298.15 K

Charge- and Size-Selective Ion Sieving Through Ti3C2Tx MXene Membranes

“…Molar conductivity is defined as the conductivity of an electrolyte solution divided by the molar concentration of the electrolyte, which is given by Λ m = (κ/ c ), where κ is the measured conductivity, and c is the electrolyte concentration. Thus, the electrolyte concentration can be obtained as c = (κ/Λ m ), in which the molar conductivities of all the salt solutions at different concentrations were taken from the literature. , Then the ion permeation rate, J , was calculated by the classical diffusion equation: J = V eff · c/(A eff · t) , where V eff is the effective volume of the solution on the permeate side; c is the calculated permeation concentration across the membrane; A eff is the effective area of separation membrane; t is the diffusion time. The ion permeability of Ti 3 C 2 T x membranes was compared with the values for GO membranes.…”

“…Thus, the electrolyte concentration can be obtained as c = (κ/ Λ m ), in which the molar conductivities of all the salt solutions at different concentrations were taken from the literature. 37,38 Then the ion permeation rate, J, was calculated by the classical diffusion equation: J = V eff •c/(A eff •t), where V eff is the effective volume of the solution on the permeate side; c is the calculated permeation concentration across the membrane; A eff is the effective area of separation membrane; t is the diffusion time.…”

Transport properties of 2:2 symmetrical electrolytes in (water+ethylene glycol) binary mixtures at T=293.15K

“…A survey of literature shows that conductivity and viscosity studies of electrolytes in several solvent media have been performed in recent years to explore the type and the extent of the interactions in electrolyte solutions [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. The limiting molar conductance, the thermodynamic association constant and the Jones-Dole viscosity coefficients are the fundamental quantities that have been extracted from these studies.…”

“…The limiting molar conductance, the thermodynamic association constant and the Jones-Dole viscosity coefficients are the fundamental quantities that have been extracted from these studies. Whereas the investigation of the transport properties of symmetrical 1:1 electrolytes in binary mixtures has been the subject of numerous studies [1,[3][4][5][6][7][9][10][11][12][13][14][15][16][17], 2:2 type electrolytes have not been examined so far [2,8]. Previous experience with the transport properties of electrolytes in binary mixtures of (water + methanol) [18], (water + N,N-dimethylformamide) [19], (water + dimethylsulfoxide) [20], and (water + ethylene glycol) [21] led us to an investigation of zinc(II) sulfate in (water + ethylene glycol) (EG) binary mixtures.…”

Δομή Και Δυναμική Ιοντικών Και Μοριακών Αλληλεπιδράσεων Σε Διαλύματα Μεικτών Οργανικών Διαλυτών

“…Αντιθέτως, ελάχιστες εργασίες αναφέρονται για ηλεκτρολύτες 2:2 σε αντίστοιχα συστήματα. 1,2 Η μελέτη των αλληλεπιδράσεων αυτών συνήθως πραγματοποιείται μέσω του προσδιορισμού θερμοδυναμικών μεγεθών (μερικός γραμμομοριακός όγκος, 3 ενθαλπία επιδιαλύτωσης, 4,5 συντελεστής συμπιεστότητας, 6 ελεύθερη ενέργεια μεταφοράς 7 ), ιδιοτήτων μεταφοράς (αγωγιμότητα, 8,9 ιξώδες, 10,11 αριθμοί μεταφοράς 12,13 ), καθώς και με φασματοσκοπικές μεθόδους. [14][15][16] Η συμπεριφορά των ιόντων σε ένα ηλεκτρολυτικό διάλυμα εξαρτάται από τις φυσικοχημικές ιδιότητες του διαλύτη.…”