P. Firman et al., RELAXATION SPECTROSCOPY OF ELECTROLYTE-SOLUTIONS - LICLO4 IN TETRAETHYLENEGLYCOL DIMETHYLETHER - COMMENT, Berichte der Bunsengesellschaft fur Physikalische Chemie, 98(6), 1994, pp. 872-874
Citations number
9
Categorie Soggetti
Chemistry Physical
Journal title
Berichte der Bunsengesellschaft fur Physikalische Chemie
Radio frequency and microwave frequency complex dielectric permittivit
y epsilon = epsilon' - i epsilon'' data for LiClO4 in tetraglyme as w
ell as similar previously published data for LiNO3 in liquid polyethyl
ene oxides are reviewed. The reliability of the dielectric ion coeffic
ient epsilon(d)'' at concentrations C much greater than 0.1 M (obtaine
d as the difference between the total loss epsilon'' and the conductan
ce loss epsilon(x)'' = 1.8 X 10(12)chi/f) is questioned for frequencie
s f less-than-or-equal-to 0.1 GHz. The interpretation of the dielectri
c spectra of LiClO4 (and of LiNO3) in polyethers is critically analyze
d.