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For optimal usage, every pipette supplier offers a broad range of different capacities, commonly including 2, 10, 20, 100, 200, and 1000 μL capacity pipettes. [citation needed] A small volume range of a pipette like 10–100 μL results in a much higher accuracy than a broad range from 0.1–1,000 μL per pipette.
Air displacement micropipettes are a type of adjustable micropipette that deliver a measured volume of liquid; depending on size, it could be between about 0.1 μL to 1,000 μL (1 mL). These pipettes require disposable tips that come in contact with the fluid. These pipettes operate by piston-driven air displacement. A vacuum is generated by ...
The Micropipette developed by Heinrich Schnitger, which is often referred to as "Eppendorf pipette" in laboratory usage, [citation needed] counts today in various designs as standard almost every biomedical laboratories. For biologists, biochemists, biology laboratory technicians, medical-technical assistants and similar professions handling of ...
Standard design The Genre 1 and Genre 2 the tapered delivery tips are different: for Genre 1, the tip is between 15 and 30 mm long, for a 5 ml capacity pipette, and between 20 and 40 mm, for 10 to 50 ml capacities; for Genre 2, the tip is longer, between 50 and 65 mm in length. The opening at the tip end is perpendicular to the tube axis, and ...
Positive displacement pipettes are a type of pipette that operates via piston-driven displacement. [1] [2] Unlike an air displacement pipette, which dispenses liquid using an air cushion in the pipette tip, the piston in a positive displacement pipette makes direct contact with the sample, allowing the aspiration force to remain constant.
Typical volumes are 1, 2, 5, 10, 20, 25, 50 and 100 mL. Volumetric pipettes are commonly used in analytical chemistry to make laboratory solutions from a base stock as well as to prepare solutions for titration. ASTM standard E969 defines the standard tolerance for volumetric transfer pipettes. The tolerance depends on the size: a 0.5-mL ...
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