Abstract
Abstract
In the dielectric spectroscopy of aqueous systems containing ions, the dielectric loss spectrum is affected by the contribution of the direct current (DC) conductivity σ, which sometimes significantly overlaps the dielectric relaxations related to the slow dynamics of water molecules distributing in sub-GHz frequency range. We have demonstrated a practical procedure based on the Kramers–Kronig (KK) relations to exclude the contribution of DC conductivity from the experimentally obtained dielectric spectrum. Examples of the KK transform for the spectrum of ultrapure water and aqueous solution of protein (lysozyme) showed the feasibility of our method.
Funder
Japan Society for the Promotion of Science
Murata Science Foundation
Subject
General Physics and Astronomy,Physics and Astronomy (miscellaneous),General Engineering
Cited by
9 articles.
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