The potential difference
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per unit length in a
sedimentation or centrifugation cell. As the contributions of the interfacial potential differences
at the electrodes are not included in
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this quantity, although theoretically important, is not accessible to measurement.
Source:
PAC, 1972, 31, 577
(Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix
II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry)
on page 620