Test Tube Rack Definition Chemistry

All of the samples from one particular place or containing one particular substance can be placed on the same rack.
Test tube rack definition chemistry. A test tube rack is used in the storage of the test tube while a test tube holder is used to hold the test tube during a reaction a test tube holder is like tongs and it is used to hold 1 test. Test tubes intended for general chemical work are usually made of glass for its relative resistance to heat. It generally has 8 holes 10 holes or 12. Test tube racks come in the form of a classic rack an interlocking cube form a stack able form test tube drying rack slant rack and 1 well rack.
Tubes made from expansion resistant glasses mostly borosilicate glass or fused quartz can withstand high temperatures up to several hundred degrees celsius. It also allow for easy organization during experiments. They can also accommodate other lab tools such as stirring rods and pipettes. Chemistry tubes are available in a multitude of lengths and widths typically from 10 to 20 mm wide and 50 to 200.
Test tube definition a hollow cylinder of thin glass with one end closed used in chemical and biological experimentation and analysis. Test tube racks may also be referred to as test tube holders. Finally test tube racks allow for good maintenance of the equipment. A test tube rack keeps tubes in place when they are not being actively used.