Raman spectral studies of aqueous solutions of non-electrolytes: Dimethylsulfoxide, acetone and acetonitrile
β Scribed by Surjit Singh; Peter J. Krueger
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 930 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0377-0486
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Abstraet--A new approach is presented for calculation of activity coefficients in multicomponent aqueous electrolyte and non-electrolyte solutions. The approach is based on an integration of the Gibbs-Duhem equation. It is shown that using standard thermodynamic properties for the pure components an
The Raman non-coincidence e β ect (NCE) of the carbonyl stretching band of methyl formate diluted in acetonitrile was studied. The observed NCE was compared with the predictions of a number of models for non-isotopic dilutions. All of the models failed. Thermodynamic data indicate that the mixtures a
The Raman spectra of 'neat' formic acid and formic acid in several solvents (water, acetonitrile, 1,4dioxane and dichloromethane) were measured. In aqueous solution a very clear non-coincidence effect (NCE) indicative of resonance energy transfer was observed. The size of the NCE (ca 64 cm -1 ) indi