Date Posted: Monday, December 17, 2007
When using the Pressurisation Module, the Africa system can be easily pressurised up to 7bar. This allows reactions to be performed at temperatures much higher than atmospheric reflux, enabling faster and often cleaner, higher yielding reactions. This application note describes the practicalities of superheating reactions and the suggested maximum temperatures for common solvents. Typically, solvents can be heated to around 70C above their boiling point. Using the Ahrrenius rate law (doubling of rate for each 10C rise in reaction temperature), reaction rate increases of the order of 128-fold are possible.
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