Rotary Evaporators - Making distillation easy

Frequently asked questions...

rotary evaporators - making distillation easy

Shared by IKA, here are some of the most frequently asked questions about rotary evaporators:

  • What minimum vacuum can be reached with the RV 10 rotary evaporator system (with coated glassware)?
    If all vacuum connections are sealed vacuum tight and the vacuum system is strong enough, down to 1mBar.
  • Is it better to use a vertical or a diagonal condenser?
    It does not matter for the application. Both condensers have the same cooling surface and power.
  • What is the diameter of the hose to refill the evaporating flask with medium in the RV 10 system and what is it made of?
    The hose has a diameter of 5 mm and is made of PTFE (Teflon).
  • Is there a warning system when the heating bath HB 10 is still hot?
    Yes. The message “HOT” will be blinking for as long as the water bath temperature exceeds +60 C.
  • Is it possible to move the heating bath HB 10 in the RV 10 system?
    Yes, it can be moved 50 mm horizontally and can also be used as a stand-alone unit.
  • Can I perform a continuous distillation with IKA rotary evaporator system and 3 l flask?
    Yes, even with a 3 liter receiving flask you can do a continuous distillation. Simply use the PTFE tube that comes with the glassware. Use this by opening up the vacuum shut-off valve to refill while under vacuum. The loss of vacuum pressure is little and will be stabilized by the vacuum pump.
  • Is it necessary to measure vapor temperature inside the flask?
    No, IKA rotary evaporators are controlled by measuring the temperature of the cooling water flow.
  • I work with samples that foam easily. How can I prevent foaming over into the cooling coil?
    Simply use our foam brake/bump trap listed under our accessories. It stops foam from entering the cooling coil or receiving flask.

Working more sustainably...

Sustainability - recirculating coolers with rotary evaporators from Asynt

Depending upon which recirculating chiller you use, users can run up to four rotary evaporators from just a single chiller.

Use the handy IKA selector tool to or talk through your cooling/distillation requirements with a member of our technical support team and find out the best way to work effectively and sustainably…

Useful blogs...

What is a rotary evaporator?

This informal but informative blog tells you all you need to know about what a rotary evaporator actually is, and how it works.

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Selecting a rotary evaporator

Click through and watch the helpful video from IKA with advice on selecting the right rotary evaporator for your chemistry.

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Recirculating coolers & rotevaps

Pairing multiple rotary evaporators with one recirculating cooler allows excellent performance in a smaller footprint.

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