Below is a photograph of a rotary evaporatorImportant Features of the Rotovap1 The vacuum pump is the source of reduced pressure in the system2 Spin speed and bath temperature control knobsPlease do not use the rotovap if the finger is not coldThere should be excess solid dry ice in the finger.
Cold finger condensers used in rotary evaporators can typically be cooled to a lower temperature than water condensers reducing the amount of volatile material exhausted into the airCold finger condensers cool vapors emitted from heated fluids changing their physical state back to liquid through use of a straight coiled or spiraled circulation method.
Compact Digital Rotary evaporator with Cold finger glassware set ideal for solvent extraction where water consumption is an issuePlastic coated for additional protection when used under vacuum00 8 BUCHI Rotavapor™ R100 Rotary Evaporator Meet the essential needs of classical laboratory applications with this rotary evaporator.
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RE302 Glass set consists of Cold finger condenser drain for cold finger condenser vapour tube for cold finger condenser receiving flask 1000ml Florentine flask 1000ml feed tube with stopcock vacuum seal conical joint clip spherical joint clip.
RE302P Glass set consists of Cold finger condenser plastic coated drain for cold finger condenser vapour tube for cold finger condenser receiving flask 1000ml plastic coated Florentine flask 1000ml plastic coated feed tube with stopcock vacuum seal conical joint clip spherical joint clip.
The RE402 rotary evaporator comes with a vertically orientated cold finger glass condenser for use with ice or dry ice for volatile or low boiling solventsProviding a cooling solution without the necessity for a constant supply of cooling water.
This simple PYREX174 cold finger condenser of relatively low efficiency is often used to regulate refluxing by adjusting the flow of air or water through it dephlegmation.
Typically a cold finger is used in a sublimation apparatus or can be used as a compact version of a condenser in either reflux reaction or distillation apparatusMany commercially available rotary evaporators can be purchased with a cold finger in place of a Dimroth condenser for example.
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