Answer to Question #53126 in Other Chemistry for GINA
Iron nails and needles can be isolated by using the gravity method, because they have different masses of particles which results in the different velocities of sedimentation in liquid. The procedure used for separation is based on the flotation method (gravity separation in fluid). It involves shaking the mixture in cylinder with an oil and collecting the particles found in the bottom side (enriched with nails) and in the upper side (enriched with needles), respectively.
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