Common use of Centrifugation time Clause in Contracts

Centrifugation time. Ca lc u l a t e t h e ce n t r ifu g a t io n t i m e, tc, n ecess a ry t o r e m ove p a r t icles f r o m sol u t io n g r e a t e r t h a n a pp r oxi m a t el y 0.5 μm (5×10¥5 μm ) eq u iv a le n t di a m e t e r ( w h ic h r ep r ese n t s a ll p a r t icles excep t t h e fi n e cl a y f r a c t io n) u s i n g t h e fol- lowi n g eq u a t io n: t c( m i n)=1.41×109 [ log( R 2/R1)]/N2 w h e r e: t c=ce n t r ifu ge t i m e i n m i nu t es R2=dis t a n ce f r o m ce n t r ifu ge spi n dle t o depo- s i t io n s urfa ce of ce n t r ifu ge R1=dis t a n ce f r o m spi n dle t o s urfa ce of t h e s a m ple N= nu m be r of r evol u t io n s of t h e ce n t r ifu ge pe r m i nu t e.

Centrifugation time. Ca lc u l a t e t h e ce n t r ifu g a t io n t i m e, tc, n ecess a ry t o r e m ove p a r t icles f r o m sol u t io n g r e a t e r t h a n a pp r oxi m a t el y 0.5 μm (5×10¥5 μm ) eq u iv a le n t di a m e t e r ( w h ic h r ep r ese n t s a ll p a r t icles excep t t h e fi n e cl a y f r a c t io n) u s i n g t h e fol- lowi followi n g eq u a a- t io n: t c( m i n)=1.41×109 [ log( R 2/R1)]/N2 w h e r e: t c=ce n t r ifu ge t i m e i n m i nu t es R2=dis t a n ce f r o m ce n t r ifu ge spi n dle t o depo- s i t io n s urfa ce of ce n t r ifu ge R1=dis t a n ce f r o m spi n dle t o s urfa ce of t h e s a m ple N= nu m be r of r evol u t io n s of t h e ce n t r ifu ge pe r m i nu t e.

Centrifugation time. Ca lc u l a t e t h e ce n t r ifu g a t io n t i m e, tc, n ecess a ry t o r e m ove p a r t icles f r o m sol u t io n g r e a t e r t h a n a pp r oxi m a t el y 0.5 μm µm (5×10¥5 μm µm ) eq u iv a le n t di a m e t e r ( w h ic h r ep r ese n t s a ll p a r t icles excep t t h e fi n e cl a y f r a c t io n) u s i n g t h e fol- lowi n g eq u a t io n: t c( m i n)=1.41×109 [ log( R 2/R1)]/N2 w h e r e: t c=ce n t r ifu ge t i m e i n m i nu t es R2=dis t a n ce f r o m ce n t r ifu ge spi n dle t o depo- s i t io n s urfa ce of ce n t r ifu ge R1=dis t a n ce f r o m spi n dle t o s urfa ce of t h e s a m ple N= nu m be r of r evol u t io n s of t h e ce n t r ifu ge pe r m i nu t e.