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...Principle of centrifugation a particle whether it is precipitate macromolecule or cell organelle subjected to centrifugal force when rotated at high rate speed the f denoted by equation m r where intensity effective mass sedimenting angular velocity rotation distance migrating particles from central axis more common measurement in terms earths gravitation g relative rcf its defined x rpm this relates revolutions per minute sample dictates that on will vary with value reported as number times gravity laboratory tabletop centrifuge rotating unit called rotor has fixed holes drilled an angle vertical test tubes are placed these slots and motor spun horizontal plane have travel only little before they hit wall drop down bottom rotors very popular lab for routine use instrumentation basic consists two components one electric drive shaft spin hold other containers wide variety centrifuges available ranging low used pelleting relatively heavy there three types also clinical maximum range appr...