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		$D_{\theta}$