Read Online Osmotic coefficients of aqueous weak electrolyte solutions: Influence of dissociation on data reduction and modeling - Reschke T.; Naeem S.; Sadowski G. | ePub
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Osmotic Coefficients of Aqueous Weak Electrolyte Solutions
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Osmotic coefficient on temperature is of the order of 1313 1323 1333, that is to say, the osmotic coefficients decreased with increase in temperature and the decreasing trend is not much. At 313 and 323 k over the low concentration range, the osmotic coefficients of aqueous sucrose and glucose solutions.
1966, 70 (7), pp 2126–2131 link: comments stokes and robinson (primary source) used a successive hydration model to represent the osmotic coefficients of aqueous carbohydrate solutions to ˜7 mol/kg.
Osmotic pressure by definition means the pressure required to stop the solvent (pure) completely from passing into a solution (impure) by osmosis through a semipermeable membrane. Osmotic pressure arises when a pure solvent is separated by a semipermeable membrane (which allows the solvent to move through it) from a solution containing a solute.
The model is successfully used to describe literature experimental data on the concentration dependence of osmotic coefficients of aqueous cacl 2 solutions at temperatures ranging from 0 to 100°c. The modeling of the above systems shows that as the temperature rises, the hydration number falls slightly, the distribution of the hydration number.
1 activity coefficient of a nonvolatile solute in solution and osmotic. Coefficient for design of operations to remove volatile weak electrolytes from aqueous.
For liquid solutions, the osmotic coefficient is often used to calculate the salt activity coefficient from the solvent activity, or vice-versa.
The regressed osmotic second virial coefficients and the hamaker constants of lysozyme were different in various electrolyte solutions at different ionic strengths and ph values. 4 determined the osmotic pressure at 25oc for aqueous α-chymotrypsin solutions containing potassium sulfate or a sodium phosphate buffer.
Osmotic coefficients of aqueous weak electrolyte solutions: influence of dissociation on data reduction and modeling. J phys chem b, 116(25):7479-7491, 18 jun 2012 cited by: 2 articles pmid: 22620709.
Osmotic coefficients and mean activity coefficients of uniunivalent the diffusion coefficient of magnesium sulfate in dilute aqueous solution at 25° the estimation of diffusion coefficients for ternary systems of strong and weak.
Water activities and osmotic coefficients of aqueous solutions of five alkylaminium sulfates and their mixtures with h2so4 at 25oc.
Many substances secreted by the proximal tubule are weak acids or weak bases. These can exist in either the uncharged or charged forms and the relative.
The three previous papers have given the theoretical background and the evaluation of parameters for pure electrolytes of various charge types. The equation is here applied to a wide variety of mixed aqueous electrolytes at room temperature and at ionic strengths up to 6 m in many cases and occasionally even higher.
Calculations have been performed on aqueous sulfuric acid, acetic acid, hydrofluoric acid, cadmium chloride, copper sulfate, and sodium carbonate. Properties which have been calculated are the excess gibbs energy, the osmotic coefficient, the mean ionic activity coefficient, and frank's single-ion activity coefficient function.
Present as neutral zwitterions, also weak electrolytes and charged amino osmotic coefficients in aqueous solutions at 30°c.
Conversion and validation of experimental osmotic coefficients assigned to the neutralizing counterion, and the poor agreement obtained with the interactions in a system.
Activity coefficients for sodium tetraborate, potassium tetraborate, sodium metaborate, sodium fluoroborate, and orthoboric acid were derived from isopiestic.
Osmotic pressure can be defined as the minimum pressure that must be applied to a solution to halt the flow of solvent molecules through a semipermeable membrane (osmosis). It is a colligative property and is dependent on the concentration of solute particles in the solution. Osmotic pressure can be calculated with the help of the following.
Osmotic coefficients of aqueous solutions of potassium acesulfame, sodium saccharin, and ammonium and tetramethylammonium cyclohexylsulfamates at the freezing point of solutions.
The three basic options for computing the activity coefficients of aqueous for example, the osmotic coefficient for such a solution can be written in the form ( pitzer, 1973): in a study of the dissociation of phosphoric acid.
Determination of water activities, osmotic and activity coefficients in aqueous solutions using the hygrometric method. The journal of chemical thermodynamics 2000 32 (3) 297-310.
The performance of the tcpc model in correlation with the measured activity coefficient or osmotic coefficients is found to be comparable with pitzer-like models.
Osmotic coefficients of aqueous weak electrolyte solutions: influence of dissociation on data reduction and modeling may 2012 the journal of physical chemistry b 116(25):7479-91.
Puted results for each aqueous solution include the osmotic coefficient, water activity, mineral ear equations, it is sensitive to poor estimates of the unknowns.
Osmotic virial coefficients of hydroxyethyl starch from aqueous hydroxyethyl starch–sodium chloride vapor pressure osmometry hydroxyethyl starch (hes) is an important industrial additive in the paper, textile, food, and cosmetic industries and has been shown to be an effective cryoprotectant for red blood cells; however, little is known about.
Keywords: activity coefficient; apparent molar properties; aqueous; compressibility; dehydration; sentation of the experimental osmotic coefficient results.
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