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Lorraine Jane

on 20 September 2012

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Transcript of Separation

Separation Separation Filtration is pouring a mixture to a special filter allowing the smaller particles, liquid, to pass through, but not the larger particles which are the solids.
Sieving is pouring a mixture through a grid sifter (etc) allowing specific particles (smaller or larger) to pass through. (e.g flyscreen) Filtration and Sieving Filtration Sedimentation and Decantation Sedimentation is when particles will sink to the bottom while the dense particles will rise to the top. This is when our group separated sand from copper sulphate. Decantation
If the mixture is left for a while most of the sediment will be left at the bottom of the beaker and the sediment is separated into another beaker or container. An example of this method is wine or juices. Sedimentation and decantation This is when we observe sedimentation and to use decantation to separate two substances. Evaporation is the change of state from
liquid to gas. When the liquid (solution) is
evaporated, it will dissolve the material (solute)
remains behind. Evaporation and
Crystallisation Crystallisation is the evaporation of a solution to the solute is removed from the solvent and forms into crystals. separation separation separation separation we evaporated the copper sulphate in conclusion, it turned into crystals example of a flyscreen Evaporation and Crystallisation is used as an example of when you are cooking, boiling the water, and it happens in our every day life like the water cycle process when they evaporate into clouds. Filtration is a slow process but the bigger the Filter is, the faster it will go to process.
Filtration can be used in water taps, when it filters out all the contaminated germs, and vacuum cleaners are another example.
Sewerage treatment is another example of filtration, as well as water purifiers.
Our groups (groups 3) used the method of folding a filter paper to separate a both particles of a solution. AND Sedimentation Decantation Bay 3 separation Centrifuge is spinning a mixture rapidly, works on the same principle as sedimentation, only it occurs faster. Centrifuge this picture on the right works like a centrifuge but it is not one. Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet. Magnetic separation Chromatography is the collective term for a set of laboratory techniques for the separating of mixtures. Chromatography is the process of separating different fluids from a texture. Chromatography Chromatography is a technique that involves placing a small dot ot line of sample solution onto a strip of chromatography paper
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