explain crystallization with applications.
Answers
crystallization is the process which formation of large crystals in pure state of the own
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Explanation:
Crystallization & Its Applications
From the snow formation process of crystallization, the artful beauty of this chemistry phenomenon can be glimpsed. Actually behind the amazing picture is the great strength of this reaction in various aspects from simple compound purification to chemical characters identification, even drug discovery.
Why do compounds crystallize?
With a decrease in temperature, the dissolving capacity of a solvent also decreases (called supersaturation), with which some molecules will be released from the solid and bond together to form a crystal. Generally, the crystal will be relatively pure as the molecules that get rid of the liquid will gradually increase the size of the crystal; then the ones with same geometry would stay there and the ones with different geometry, in other words, molecules of other types, will go back to the solution. Exceptional cases exist when the cool process goes too quickly to let the foreign molecules leave the crystal and go back to the liquor.
How to crystallize a compound?
The general process is simple, and it can be done with ease for fun. Water crystallization-snow is a typical example of crystallization in our daily lives, and the harvest of salt is another one. But a lot of other matters need to be considered for a scientific task in labs. Here is the basic process to crystallize compounds.
1, Increase the temp of the solution (containing the compounds needed to be crystallized) till no solid substance can be found;
2, Decrease the temp of the solution gradually while keeps it static.
3, Isolate the crystal and dry them naturally
What’s the application of crystallization?
The most practical usage of crystallization should be salt crystallization and it’s the most cost-effective way to produce salt even at today. Other applications of the tech include compound purification and crystal production. It’s quite common to produce sample materials by crystallization, especially for salt-powder chemicals. It’s also applied for large-scale productions like food additives.