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A pipette (sometimes spelled as pipet) is a type of laboratory tool commonly used in chemistry and biology to transport a measured volume of liquid, ...
In the same year, he presented under the title "A rapid and precise pipetting of small liquid quantities" a patent at the German Patent Office one, issued in 1961. The company Eppendorf improved the first "Marburg pipette" apparatus in cooperation with Heinrich Schnitger, and took over the exclusive license of the patent for commercialization.
(These are for Class A pipettes; Class B pipettes are given a tolerance of twice that for the corresponding Class A.) A specialized example of a volumetric pipette is the microfluid pipette (capable of dispensing as little as 10 μL) designed with a circulating liquid tip that generates a self-confining volume in front of its outlet channels. [3]
Release the pipette knob slowly to the ready position. Do not remove the tip from the solution. Repeat this process (step 3 and 4) to rinse the tip until the interior wall of the tip is clear. Remove the tip from the solution. Press the pipette knob to the second stop, and completely empty the tip. Release the pipette knob to the ready position.
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Different sizes of rubber bulb, flip style pipette filler and wheel style pipette filler. The rubber bulbs can also be replaced with wheel style pipette filler or flip style pipette filler. The flip style pipette fillers have two valves system and have a removable top valve which makes cleaning easy and it can be used with one hand. [3] The ...