WebSep 12, 2024 · Test tubes are good for collecting and holding small samples. They aren't typically used for measuring precise volumes. Test tubes are relatively inexpensive compared with other types of glassware. Those meant to be heated directly with a flame are sometimes made from borosilicate glass, but others are made from less sturdy glass and … WebApr 17, 2024 · The test tube rack is an apparatus used in a laboratory to hold and transport test tubes during experiments or while examining cultures. They can also accommodate other lab tools, such as stirring rods and pipettes. Test tube racks may also be referred to as test tube holders. Test tube racks are made from a variety of materials, such as …

What Is the Function of a Test Tube Rack? - Reference.com

Webtest tube - glass tube closed at one end tube , tubing - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or … WebA 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, usually with a rounded U-shaped bottom. A large test tube designed specifically for boiling liquids is called a boiling tube. otrs free download

Lab Glassware Names and Uses - ThoughtCo

WebA test tube holder is used to hold test tubes. [1] It is used for holding a test tube in place [2] when the tube is hot or should not be touched. [3] For example, a test tube holder can be used to hold a test tube while it is being heated. [4] Moreover, when heating the tube with liquid or solid contained inside, the holder ought to tightly ... 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. otrs gold