Buchi Rotavapo R-100 Manual de usuario Pagina 36

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6|Operation BÜCHILabortechnikAG
36/60 OperationManualRotavapor®R100
u Inapplicationswherenovacuumisapplied,lowerthetemperatureoftheheating
bath.
Thatwillcauselesssolventtoevaporate.
6.2.4 Feedingsolventduringdistillation
Precondition:
R Anexternalvacuumpumpisconnectedandrunning.
R Afeedtubingleadingfromtheglassstopcocktotheevaporatingflaskisfitted.
u Connectasupplytubing(2)forthesolventtotheglassstopcock(1)andholditin
thesolvent.
u Turntheglassstopcockuntilthehandleispointingdownwards.
Solventisdrawnintotheevaporatingflaskbythevacuum.
u Makesurethatthereisnotmorethan3kgofsolventintheevaporatingflask.
u Closetheglassstopcock.
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