Formulae on Purification Characterization Organic Compounds


 


1
The methods which are generally employed for the purification of organic compounds are :Crystallization,Sublimation,Distillation,Fractional Distillation,Distillation under reduced pressure,Steam Distillation,Azeotrophic distillation,Differential extraction,Chromotography.



2
Chromatography is the modern technique used for separation and purification of organic compounds. The method was discovered by Tswett.



   3
Distillation process can be applied only if the liquid and the impurity differ in their boiling points by 30 to 50K. For example: Ether and toluene,benzene and aniline etc.



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