Solvation of cobalt salts by oligomeric polyethers

✍ Scribed by Michael S. Mendolia; Gregory C. Farrington

• Publisher: Elsevier Science
• Year: 1992
• Tongue: English
• Weight: 363 KB
• Volume: 37
• Category: Article
• ISSN: 0013-4686
• DOI: 10.1016/0013-4686(92)80140-h

✦ Synopsis

Polyether-salt systems involving CoBr, dissolved in oligomeric polyethylene glycol (PEG) and polytetramethylene glycol (PTMG) have been investigated. Both systems demonstrated conductivity maxima as a function-of salt concentration. PTMG electrolytes had dramatically lower conductivities (a-. c 3.6 x IO-' S cn-' for PTMG. o,., z 1.45 x 10e5 S cm-' for PEG at room temwrature) which can be;plained on the basis of spectrai data which indicate the existence of predominantly neutral species in PTMG. The reason for the difference in the types of species present in PEG and PTMG can be rationalized on the basis of the chelate effect.