Dependence of the Second Virial Coefficient of Aqueous Solutions of Small Non-Electrolytes on Partial Molar Volume and Molecular Weight of the Solutes

1993 ◽  
Vol 46 (6) ◽  
pp. 929 ◽  
Author(s):  
K Kiyosawa
Keyword(s):  
Aqueous Solution ◽  
Molecular Weight ◽  
Aqueous Solutions ◽  
Molar Volume ◽  
Partial Molar Volume ◽  
Virial Coefficient ◽  
Van Der Waals ◽  
Second Virial Coefficient ◽  
Aqueous Systems ◽  
Quadratic Equations

The osmotic pressures of aqueous solutions of small non-electrolytes, namely ethane-1,2-diol, propane-1,2,3-triol, sucrose and raffinose , were found to be expressible by quadratic equations of the molar concentration, which indicate that these aqueous systems involve no term higher than the second virial coefficient A2. Analysis has shown that A2 mainly does not arise from non-ideality of the aqueous solutions, but its magnitude depends on the partial molar volume of the solute, more precisely on the molecular weight or van der Waals radius or volume of the solute in the aqueous solution.

Density estimates of binary aqueous solutions

1983 ◽  
Vol 48 (8) ◽  
pp. 2327-2334
Author(s):  
Otakar Söhnel ◽  
Petr Novotný ◽  
Zdeněk Šolc
Keyword(s):  
Aqueous Solutions ◽  
Molar Volume ◽  
Partial Molar Volume ◽  
Infinite Dilution ◽  
The Other ◽  
Density Estimates ◽  
Molar Volumes ◽  
Solutions Of Electrolytes ◽  
Experimental Values

Two methods are given for assessment of density of binary aqueous solutions of electrolytes; one is based on partial molar volume of the dissolved electrolyte at infinite dilution, and the other is based on additivity of apparent molar volumes at a given concentration. The density estimates of aqueous solutions by means of the two methods are compared with experimental values for some electrolytes of the type 1-1 to 4 and 2-2. In all cases the estimates agree with experimental densities up to concentrations of the saturated solutions.

scholarly journals Molecular Interaction of Aqueous Solution of 1-Propanol and 2-Propanol

2019 ◽  
Vol 35 (2) ◽  
pp. 901-904
Author(s):  
Sandhya Sharma ◽  
N. D. Kandpal ◽  
R. Joshi
Keyword(s):  
Aqueous Solution ◽  
Aqueous Solutions ◽  
Molecular Interaction ◽  
Aqueous Systems ◽  
Solvent Interaction ◽  
Solvent Type ◽  
Type Interaction ◽  
Alcohol System ◽  
Solute Solvent Interaction ◽  
Water Alcohol

Viscosities (ƞ) of solutions of 1- propanol and 2-propanol have been determined in aqueous systems of varying composition (0.16-3.64 mol dm-3) at 298 K. The ƞ/ƞ0 data have been analyzed in the light of reduced Jone-Dole equation ƞ/ƞ0 = BC+1. The results in the regards to solute-solvent interaction in aqueous solutions of both the alcohols have been discussed in the terms of the value B. The result of study reveals that both the alcohols behave as the structure makers in the water. The result shows that solute-solvent type interaction of same magnitude exists in water-alcohol system.

Partitioning of charged and neutral dextran-dye derivatives in biphasic cellulose nanocrystal suspensions

2008 ◽  
Vol 86 (6) ◽  
pp. 503-511 ◽  
Author(s):  
Stephanie Beck-Candanedo ◽  
David Viet ◽  
Derek G Gray
Keyword(s):  
Molecular Weight ◽  
Partition Coefficient ◽  
Cellulose Nanocrystals ◽  
Partition Coefficients ◽  
Virial Coefficient ◽  
Total Concentration ◽  
Second Virial Coefficient ◽  
Fluorescein Isothiocyanate ◽  
Blue Dextran ◽  
Molecular Weights

The partitioning behaviour of dye-labeled dextrans of high molecular weight in aqueous suspensions of native cellulose nanocrystals was studied. Cellulose concentrations lie in the isotropic–nematic coexistence region. Blue dextrans of various molecular weights and degrees of substitution of dye molecules (anionic Cibacron blue 3G-A) were investigated. Increasing the total concentration of blue dextran and degree of dye substitution led to increasing partition coefficients. Increasing dextran molecular weight resulted in higher partition coefficients, in agreement with theory. Partition coefficients were larger than predicted theoretically using a second virial coefficient approximation. Electrostatic and entropic contributions to the partition coefficient of blue dextran are discussed. Dextrans labeled with neutral fluorescein isothiocyanate did not partition preferentially in this system.Key words: partition coefficient, cellulose nanocrystals, dextrans, degree of substitution, polyelectrolyte.

THE ENTROPIES OF IONS IN AQUEOUS SOLUTION: II. AN EMPIRICAL EQUATION FOR OXY-ANIONS

1957 ◽  
Vol 35 (3) ◽  
pp. 202-206 ◽  
Author(s):  
A. M. Couture ◽  
K. J. Laidler
Keyword(s):  
Aqueous Solution ◽  
Molecular Weight ◽  
Interatomic Distance ◽  
Empirical Equation ◽  
Central Atom ◽  
Van Der Waals ◽  
Empirical Relationship ◽  
Mean Deviation ◽  
A Value

The entropies of oxy-anions in aqueous solution are shown to obey the empirical relationship[Formula: see text]with a mean deviation of 3.6 e.u. In this equation [Formula: see text] is the entropy relative to a value of −5.5 e.u. for the proton, M is the molecular weight, z the number of charges on the ion, n the number of charge-bearing ligands, r is equal to r12 + 1.40, where r12 is the interatomic distance between the central atom and the surrounding oxygens, and 1.40 is the van der Waals radius of oxygen. The significance of the empirical equation is discussed.

Colloidal Behavior of Proteins: Effects of the Second Virial Coefficient on Solubility, Crystallization and Aggregation of Proteins in Aqueous Solution

2005 ◽  
Vol 6 (6) ◽  
pp. 427-436 ◽  
Author(s):  
Joseph Valente ◽  
Robert Payne ◽  
Mark Manning ◽  
W. Wilson ◽  
Charles Henry
Keyword(s):  
Aqueous Solution ◽  
Virial Coefficient ◽  
Second Virial Coefficient ◽  
Colloidal Behavior

scholarly journals Molecular Weight, Osmotic Second Virial Coefficient, and Extinction Coefficient of Colloidal CdSe Nanocrystals

2002 ◽  
Vol 106 (21) ◽  
pp. 5500-5505 ◽  
Author(s):  
A. Striolo ◽  
J. Ward ◽  
J. M. Prausnitz ◽  
W. J. Parak ◽  
D. Zanchet ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Extinction Coefficient ◽  
Virial Coefficient ◽  
Second Virial Coefficient ◽  
Cdse Nanocrystals

Partial Molar Volume and Effective lonic Radius of the TcO4- Ion in Aqueous Solution

1987 ◽  
Vol 42 (3) ◽  
Author(s):  
VOLKER NECK ◽  
BASIL KANELLAKOPULOS
Keyword(s):  
Aqueous Solution ◽  
Molar Volume ◽  
Partial Molar Volume

Partial molar volume of nonionic surfactants in aqueous solution studied by the KB/3D-RISM–KH theory

2016 ◽  
Vol 217 ◽  
pp. 103-111
Author(s):  
M. Holovko ◽  
A. Kovalenko ◽  
F. Hirata
Keyword(s):  
Aqueous Solution ◽  
Molar Volume ◽  
Partial Molar Volume ◽  
Nonionic Surfactants
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