| 摘要 |
In a rotary evaporator for laboratories and pilot plants, especially one made of glass, turbulences and unnecessary flows of the vapours in the distributor section (5) are avoided by the vapour offtake (2), which runs from an evaporation vessel (1) into the distributor section (5), having at least one outlet orifice (11) in the region of the connection (7) for a condenser (10) and its end there preferably being open. <IMAGE>
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