Air displacement pipette
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Piston-driven air displacement pipettes are micropipettes used to handle volumes of liquid in the microliter scale.
General
These pipettes operate by piston-driven air displacement. A vacuum is generated by the vertical travel of a metal or ceramic piston within an airtight sleeve. As the piston moves upward, driven by the depression of the plunger, a vacuum is created in the space left vacant by the piston. Air from the tip rises to fill the space left vacant, and the tip air is then replaced by the liquid, which is drawn up into the tip and thus available for transport and dispensing elsewhere.
Availability
Can be purchased from lab suppliers.
