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  2. Recrystallization (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Recrystallization_(chemistry)

    Recrystallization is a method used to purify chemicals by dissolving a mixture of a compound and its impurities, in an appropriate solvent, prior to heating the solution. [1] Following the dissolution of crude product, the mixture will passively cool, yielding a crystallized compound and its impurities as separate entities.

  3. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    Recrystallization: In analytical and synthetic chemistry work, purchased reagents of doubtful purity may be recrystallised, e.g. dissolved in a very pure solvent, and then crystallized, and the crystals recovered, in order to improve and/or verify their purity.

  4. Recrystallization (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Recrystallization_(metallurgy)

    Increasing the magnitude of prior deformation, or reducing the deformation temperature, will increase the stored energy and the number of potential nuclei. As a result, the recrystallization temperature will decrease with increasing deformation. Initial grain size affects the critical temperature. Grain boundaries are good sites for nuclei to ...

  5. Cyclohexane - Wikipedia

    en.wikipedia.org/wiki/Cyclohexane

    It is used as a solvent in some brands of correction fluid. Cyclohexane is sometimes used as a non-polar organic solvent, although n-hexane is more widely used for this purpose. It is frequently used as a recrystallization solvent, as many organic compounds exhibit good solubility in hot cyclohexane and poor solubility at low temperatures.

  6. Benzoic acid - Wikipedia

    en.wikipedia.org/wiki/Benzoic_acid

    Benzoic acid can be purified by recrystallization from water because of its high solubility in hot water and poor solubility in cold water. The avoidance of organic solvents for the recrystallization makes this experiment particularly safe. This process usually gives a yield of around 65%. [14]

  7. p-Toluenesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/P-Toluenesulfonic_acid

    It is a white extremely hygroscopic solid that is soluble in water, alcohols, and other polar organic solvents. [6] The CH 3 C 6 H 4 SO 2 group is known as the tosyl group and is often abbreviated as Ts or Tos. Most often, TsOH refers to the monohydrate, TsOH. H 2 O. [6] As with other aryl sulfonic acids, TsOH is a strong organic acid.

  8. Deep eutectic solvent - Wikipedia

    en.wikipedia.org/wiki/Deep_eutectic_solvent

    Deep eutectic solvents or DESs are solutions of Lewis or Brønsted acids and bases which form a eutectic mixture. [1] Deep eutectic solvents are highly tunable through varying the structure or relative ratio of parent components and thus have a wide variety of potential applications including catalytic, separation, and electrochemical processes.

  9. Isobutyronitrile - Wikipedia

    en.wikipedia.org/wiki/Isobutyronitrile

    They are also good solvents for spinning and casting and extractive distillation based on its selective miscibility with organic compounds and can act as removing agents of colouring matters and aromatic alcohols. Inorganic cyanides are also able to perform a recrystallization of steroids or to be compounds for organic synthesis. Therefore ...

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