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SEDIMENTATION, CREAMING,
CENTRIFUGATION AND DIFFUSION

Sedimentation volume   $ V_$sed
Cream volume   $ V_$cr
Rate of sedimentation   $ v_$sed,$ v$
Sedimentation coefficient  $ s$
Limiting sedimentation coefficient ( $ =\lim_{c\to0}s$)  $ [s]$
Svedberg unit   $ S = 10^{-13}$ sec.
Reduced sedimentation coefficient (Standard sedimentation coefficient)  $ s^0$( $ 20\degreecelsius$)
Reduced limiting sedimentation coefficient ( $ =\lim_{c\to0}s^0$ ( $ 20\degreecelsius$))  $ [s^0$( $ 20\degreecelsius$)$ ]$
Differential diffusion coefficient (of species $ i$)  $ D_i$
Limiting diffusion coefficient of species $ i$ ( $ = \lim_{c_i \to 0} D_i$)  $ [D_i]$
Self-diffusion coefficient (of species $ i$)  $ D_i^*$
Tracer diffusion coefficient ( of labelled species $ i^*$)  $ D_{i^*}$
Rotational diffusion coefficient   $ D_{\theta}$

next up previous contents
Next: ELECTROCHEMICAL TERMS IN COLLOID Up: LIST OF SYMBOLS AND Previous: ATTRACTION AND REPULSION   Contents
2002-09-05