单词 | solvation |
释义 | solvationn. Chemistry. The process of becoming, or state of being, solvated. Frequently attributive. ΘΚΠ the world > matter > chemistry > physical chemistry > solvents and solutes > [noun] > solvation solvation1909 1909 Amer. Chem. Jrnl. 41 41 The theory of solvation in solution. 1913 H. C. Jones New Era Chem. 155 There is good reason to believe that dissolved substances in general combine with more or less of the solvent—in a word, solvation in solution is a general phenomenon. 1917 M. H. Fischer tr. W. Ostwald Introd. Theoret. & Appl. Colloid Chem. 51 These colloids are characterized by their great hydration or solvation. Their particles have taken up a large amount of the dispersion media. 1936 R. W. Gurney Ions in Solution i. 4 If a free gaseous ion enters a solvent..energy is liberated. This is known as the Solvation Energy, and has a characteristic value for each ion in each solvent. 1948 Nature 31 Jan. 170/1 When the concentration of organic solvent is increased beyond 50 mol. per cent, organic solvent molecules begin to predominate in the medium and eventually replace the aqueous solvation shell. 1967 D. Margerison & G. C. East Introd. Polymer Chem. v. 239 The questions associated with solvation, its extent, the type of chemical bonding, the number of solvent molecules involved,..are largely unanswerable. 1976 Nature 3 June 435/1 Relaxation rates for 17O in monosaccharides have been used to study solvation, the revised estimate of the solvation number being 5 ± 1 water molecules for d-glucose and 2·5 ± 1 for d-ribose at 5 °C. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < n.1909 |
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