Dielectric Constant for weak electrolyte solutions (fwd)

• To: Water Science Network <water@gibbs.oit.unc.edu>
• Subject: Dielectric Constant for weak electrolyte solutions (fwd)
• From: Water Science Network Administrator <wsn-adm@mmlds1.pha.unc.edu>
• Date: Sat, 8 Oct 1994 23:30:02 -0400 (EDT)

Sender: varghese@poincare.wbme.jhu.edu (Tony Varghese)
Subject: WSN: Dielectric Constant for weak electrolyte solutions

Dear Water People,
 I am trying to look at the effect of large voltage changes on cell
membrane currents. To do this I need to know what the dielectric
constant is for solutions like those found in the body:
[Na] = 140 (outside)
[K]  =   4 (outside)
[Ca] =   2 (outside)
[Na] =   8 (inside)
[K]  = 140 (inside)
[Ca] = negligible

 Anybody have pointers to the literature for parameters like the
dielectric constants and diffusion coefficients? Anyone seen the
Nernst-Planck-Poisson equation used for voltage shocks?

Thanks in advance,
 Tony Varghese

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