Volumetric bulb pipettes made of AR glass.
The volumetric pipettes have imprinted ring graduation and enable highly accurate measurement of the volume of a solution. These volumetric transfer pipettes are class B according to accuracy and tolerance.
The pipettes have a bulb or belly surrounded by two long narrow segments that is the suction tube and the delivery tube. On the narrow portion above the bulb, there is a single graduation ring mark. There is only one ring mark since the volumetric pipettes are calibrated for a single volume.
The bulb pipettes are often used in analytical chemistry where the laboratories prepare solutions from a stock solution or for titration.
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