graduated pipette

Graduated pipettes are often graduated in one of two ways:

A graduated pipette commonly used in medical technology with serologic pipettes for volumetric analysis.

The minim-tube was a type of graduated pipette, a device invented in 1791 by Francois Antoine Henri Descroizilles.

Pipetting syringes are hand-held devices that combine the functions of volumetric (bulb) pipettes, graduated pipettes, and burettes.

Originally pipettes were made of soda-lime glass, but currently many are made of borosilicate glass; disposable graduated pipettes are often made of polystyrene.

Graduated pipettes are a type of macropipette consisting of a long tube with a series of graduations, as on a graduated cylinder or burette, to indicate different calibrated volumes.

A Mohr pipette, also known as a Graduated pipette, is a type of pipette used to measure the volume of the liquid dispensed, although not as accurately as a volumetric pipette.

Historically, the accuracy of a graduated pipette was not as good as that of a volumetric pipette (accuracy of 3 significant fig); however, with improved manufacturing methods, the accuracies listed by the manufacturer can equal volumetric pipettes.

The minim came with a set of procedures for ensuring accurate measurement, specifically, diluting powerful medicines that had previously been measured by the drop, then using a "minimometer" or "minim glass" (graduated pipette) with minim marks at regular intervals.