Crystallization Techniques

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Crystallization

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A separation technique to form solid crystals from a solution.

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Step 1

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Dissolve solute in a suitable solvent.

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Step 2

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Heat the solution to increase solubility.

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Step 3

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Cool the solution slowly.

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Step 4

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Crystals form as the solution becomes saturated.

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Step 5

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Filter out the crystals from the solution.

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Key Term: Solvent

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A substance that dissolves a solute.

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Key Term: Saturation

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Maximum amount of solute dissolved in a solvent.

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Advantage 1

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High purity of crystals obtained.

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Advantage 2

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Simple and cost-effective method.