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Combination freeze dryer/vacuum concentrator

12th June 2015


Genevac has announced that its popular miVac SpeedTrap cold trap can now be used for freeze drying or configured as a combined concentration/freeze drying workstation with a miVac vacuum concentrator.

Utilising the updated miVac SpeedTrap with continuous chill mode in conjunction with the miVac Super Vacuum pump, up to 250ml of water, or other solvents such as 1,4- dioxane, may be freeze dried in a single operation. Samples to be dried are simply placed in the rotor of the miVac concentrator and dried at full vacuum. The vacuum boils the samples at below their freezing point, therefore the samples freeze and the ice sublimes away, leaving the sample as a dry powder. To reduce drying times a pre-concentration step, at a controlled vacuum, can be easily incorporated.

The miVac SpeedTrap and Super Vaccum pump may also be used as a stand-alone freeze drier.  A range of accessories have been designed by Genevac to allow the SpeedTrap to directly accept pre-frozen samples in either flasks or vials. Simply attach the freeze drying accessory jar in place of the regular SpeedTrap collection vessel. Flasks can be attached to the valves, or vials may be placed directly in the accessory jar, using the holders provided.

Being only 212mm (8.3 inches) wide the miVac SpeedTrap offers a compact and cost effective solution for low volume freeze drying. As a combined system the miVac provides a versatile concentration and freeze drying tool for busy Life Science labs.





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