Effective ionic radii and hydration volumes for evaluation of solution properties and ionic adsorption

Conway B., Ayranci E.

JOURNAL OF SOLUTION CHEMISTRY, cilt.28, sa.3, ss.163-192, 1999 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 28 Sayı: 3
  • Basım Tarihi: 1999
  • Doi Numarası: 10.1023/a:1021702230117
  • Dergi Adı: JOURNAL OF SOLUTION CHEMISTRY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.163-192
  • Anahtar Kelimeler: ionic radii, ionic volumes, electrostriction, anion adsorption, AQUEOUS-SOLUTIONS, MOLAL VOLUMES, ELECTROLYTES, THERMODYNAMICS
  • Akdeniz Üniversitesi Adresli: Evet

Özet

Evaluation of effective ionic radii and corresponding individual hydrated-ion volumes provides data required for interpretation of various ion-specific solution properties and for understanding of specificity of ion adsorption at electrode and colloid interfaces. Principles involved in assignment of intrinsic ionic radii and hydrated-ion volumes are comparatively reviewed and examined as a basis for discussion of electrostriction volume changes. Three examples are given of applications of procedures for evaluation of individual hydrated-ion radii and volumes: (a) partial molal volumes and isentropic compressibilities of a series of oxyanions of various structures; (b) steric effects in hydration of alkylammonium and pyridinium cations; and (c) role of ion-hydration effects in specificity of chemisorption of electron donative anions at electrode surfaces.