A Kugelrohr oven from a rotary evaporator

A Kugelrohr Oven from a Rotary Evaporator. A simule modification of the rotarv evauorator transforms it into a Ku- . . gelrohr oven, an extremely usef...
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A Kugelrohr Oven from a Rotary Evaporator

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A simule modification of the rotarv. evauorator transforms it into a Kugelrohr oven, an extremely useful apparatus for distilling small volumes of high boiling compounds from bulb to bulb. Although this apparatus comes in different price ranges, the Aldrieh version is simple and inexpensive;unfortunately, the motor has to be operated by vacuum or pressure and can be inconvenient st time. "" "

Here we report a simple method bf converting the normal rotary evaporator hearing a 24/10 or 24/14 adapter. Moving the evaporator into a horizontal position transforms it into a simule Kueelrohr-oven-like device (see fieure). Dis-

R. Somananthan and L. Hellberg San Diego State University San Diego, CA 92182

Volume 61

Number 1

January 1984

77