Experimental Determination and Correlation of Liquid Density Data of Electrolyte Mixtures Containing Water or Methanol

Abstract

Liquid densities of several binary aqueous electrolyte mixtures and mixtures containing methanol and electrolytes were measured over a large range of concentrations and temperatures from 283 to 353 K using an oscillating-tube densitometer. From these values, molar volumes were calculated for all experimental data. A new empirical correlation method was introduced to determine densities and molar volumes using only two additional parameters, which were fitted for all ionic species investigated in this work. The experimental and calculated results are presented in comparison to results of other authors.

Density and speed of sound of lithium bromide with organic solvents: Measurement and correlation

“…For solutions of LiBr in methanol, apparent molar volume values [14] and few densities have been reported [37]. A comparison of our apparent molar volume data, V / , and those obtained by Pasztor and Criss [14] and calculated from the density data [37] at T = 298.15 K are shown in figure 1.…”

(p, ρ, T) properties and apparent molar volumes Vϕ of LiNO3 in methanol

“…The values of experimental density were compared with the available literature values [4][5][6]. The results of Skabichevskiy were measured at T = 298.15 K. We used the equation described in reference [4] for the calculation of density values.…”

“…The detailed literature analysis were carried out and only three publications with densities and apparent molar volumes of LiNO 3 in methanol were found in the literature [4][5][6] and tabulated in table 1. It can be seen from table 1, that there are no high-temperature-high-pressure values of these systems.…”

“…The comparison of our results with those from reference[5] showed the 0.15% average deviation. The experimental density values of Kiepe et al[6] were determined at T = (283.16 to 313.15) K and m = (0.628 to 4.954) mol AE kg À1 . The average deviation of these results with our results is ±0.07%.The apparent molar volumes V / of LiNO 3 in methanol are defined by equation(5) and are listed in table 5:…”

Solubility and density of the disodium salt hemiheptahydrate of ceftriaxone in (acetone+water) at K

“…The parameters of the acetone and water in equation (13) were fitted using the data taken from the literature [6], respectively, and listed in table 3. The dielectric constant D of a binary mixed solvent is calculated by the OsterÕs mixing rule…”