laboratoriumpipetten

A laboratorial pipette is a laboratory tool commonly used to transport a measured volume of liquid, often as part of the process of chemical or biological research. Pipettes are characterized by a tube with a marked volume. They are used in chemistry, biology and medicine laboratories to store, mix and move small amounts of liquids accurately. Pipettes are of various types, including volumetric pipettes, graduated pipettes, micropipettes, and Pasteur pipettes.

Volumetric pipettes are designed to measure and transfer a single, precise volume of liquid. They typically have a bulbous middle section and a single graduation mark on the narrow stem. Graduated pipettes, also known as serological pipettes, have markings along the length of the tube, allowing for the measurement and transfer of variable volumes. Micropipettes are highly precise instruments used for measuring and dispensing very small volumes of liquid, often in the microliter range. They are essential in molecular biology and genetics. Pasteur pipettes, also called droppers, are simple glass or plastic tubes with a bulb at one end, used for transferring small amounts of liquid where extreme accuracy is not required.

The proper use and maintenance of pipettes are crucial for accurate experimental results. Calibration is often performed to ensure the accuracy of volumetric and micropipettes. Cleaning procedures vary depending on the pipette type and the nature of the liquids being handled. Disposable tips are commonly used with micropipettes to prevent cross-contamination and ensure accurate dispensing.