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Test tube

Test tube
Two small test tubes held in spring clamps
Other namesCulture tube
UsesChemical reaction
Related itemsVacutainer
Boiling tube
Centrifuge tube

A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom.

Test tubes are usually placed in special-purpose racks.


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