Low-frequency Raman spectroscopy of ethanol-water binary solution: evidence for self-association of solute and solvent molecules

Article Abstract:

The mixing ratio dependence of low-frequency Raman spectra of ethanol-water binary solutions is investigated. Results showed that the Raman scattering activity spectra of the binary solutions decompose into linear combinations of the Raman scattering activity spectra of pure ethanol and pure water. The sliding motion between the ethanol clusters and the water clusters were found to break the hydrogen-bonding networks between the surface molecules of the two cluster units.

Research, Water, Alcohol, Ethanol, Solution (Chemistry), Solutions (Chemistry), Raman effect, Molecular spectra

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Comment on "kinetics if solute adsorption at solid/solution interfaces: A theoretical development of the empirical pseudo-first and pseudo-second order kinetic rate equations, based on applying the statistical rate theory of interfacial transport"

Article Abstract:

Rudzinski and Plazinski proposed theoretical development of the empirical pseudo-first and pseudo-second order absorption kinetic models using statistical rate theory. It is concluded that these pseudo-first and pseudo-second order models are simplified forms of a general equation.

Models, Error analysis (Mathematics), Dynamics, Dynamics (Mechanics)

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A linear scaling study of solvent-solute interaction energy of drug molecules in aqua solution

Article Abstract:

A linear scaling technique which was used to compute solvent-solute interaction energies for well known drug molecules in water solutions is discussed. Effects of electron correlation and basis set on solvent-solute interaction energies are discussed.

Analysis, Usage, Water chemistry, Aqueous solution reactions

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