Direct Crystallization of Racemates

Separation of enantiomers by direct crystallization of their racemate is an attractive method, because no costly chiral auxiliary is required. Such resolutions only apply to conglomerates. Essentially two main types of methods are then available. In the first of these the two enantiomers are allowed to crystallize simultaneously from a solution or melt which is always close to the racemic composition. In the second, called entrainment, the crystallization of a single en-antiomer is promoted from a supersaturated solution or supercooled melt which is not allowed to come to equilibrium.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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