|Usage/Application||Laboratory, Chemical Laboratory|
|Is It Reusable||Reusable|
|Volume||10 - 20 ml|
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.
Chemistry tubes are available in a multitude of lengths and widths, typically from 10 to 20 mm wide and 50 to 200 mm long.
They can also be used for raising queen ants during their first months of development.