8.8.2 Dynamic properties of colloids (4)ultracentrifuge: For sedimentation at equilibrium Centrifuge acceleration: a=0 x dc( mr F=oxM (1-vpo)dx RT Fi=oxO=MvPoox 2RTIn M F=M1(1-vP0)2x (1-v0)2(x2-x v specific volume Relative centrifugal force. RcF rTdc rt dc dhl dxl c a8=0xlg(4) ultracentrifuge: Centrifuge acceleration: a x 2 = r 2 Fc = xM F xM M v x b 2 0 r 0 2 = =   For sedimentation at equilibrium v dx RT M x c dc (1 )0 2 r   = − 8.8.2 Dynamic properties of colloids d = d d RTdc RT c f cdhL xL c = v specific volume 2 c r 0 F M v x = − (1 )   (1 ) ( ) 2 ln 2 1 2 2 2 0 1 2 r v x x c c RT M − − =   2 a g x g / / = Relative centrifugal force, RCF