So that the person using it didn't have to hold it - useful when heating the contents to hig temperatures.
Test tube holder with spring clamp Test tube rack Test tube clamp attached to a retort stand G-clamp to secure the test tube holder to a stable surface Tongs with rubber-coated ends for handling the test tube safely in the boiling water.
A test tube holder, also known as test tube clamp or test tube rack, is used to hold a test tube in place when the tube is hot or should not be touched. It allows safe handling of test tubes during heating or when conducting chemical reactions.
A test tube holder or test tube clamp is used to hold a test tube when heating it over a Bunsen burner. The holder provides a safe way to hold the test tube without the risk of burning yourself.
It is a clamp that holds a test tube -- for instance to hold a test tube while heating it without getting burned. It is made from a thick piece of metal wire that is shaped into a spring-loaded clamp to securely hold a test tube.Note the difference between a test tube clamp, and a test tube rack. A clamp is a way to hold a single test tube while heating the contents inside without actually touching the test tube itself. A rack is instead used to hold many test tubes at once in an upright position. See the Related Questions links below for more information on test tube racks.
A clamp or test tube holder is typically used to hold a test tube in distillation setups to secure it in place during the distillation process.
Clamping a test tube
Test tube holder with spring clamp Test tube rack Test tube clamp attached to a retort stand G-clamp to secure the test tube holder to a stable surface Tongs with rubber-coated ends for handling the test tube safely in the boiling water.
John Flamsteed invented the first test tube.
A test tube can be held upright using a test tube rack, a test tube holder, or a clamp attached to a stand. These tools provide stability and prevent the test tube from tipping over during experiments.
A retort and clamp or tongs.
A test tube holder, also known as test tube clamp or test tube rack, is used to hold a test tube in place when the tube is hot or should not be touched. It allows safe handling of test tubes during heating or when conducting chemical reactions.
A test tube holder or test tube clamp is used to hold a test tube when heating it over a Bunsen burner. The holder provides a safe way to hold the test tube without the risk of burning yourself.
A test tube holder is a device to ...wait for it...hold test tubes ! ;-) Usually a rack or clamp that keeps them upright (& full if in use).
It is a clamp that holds a test tube -- for instance to hold a test tube while heating it without getting burned. It is made from a thick piece of metal wire that is shaped into a spring-loaded clamp to securely hold a test tube.Note the difference between a test tube clamp, and a test tube rack. A clamp is a way to hold a single test tube while heating the contents inside without actually touching the test tube itself. A rack is instead used to hold many test tubes at once in an upright position. See the Related Questions links below for more information on test tube racks.
A clamp or test tube holder is typically used to hold a test tube in distillation setups to secure it in place during the distillation process.
A test-tube holder, also known as test-tube clamp or test-tube rack, is used to hold a test tube over a Bunsen burner during heating. It is designed to ensure safe handling and prevent accidents while working with test tubes and heat sources.
The flask and the beaker are held up by a ring support with a wire gauze. The test tube is held with a Burette clamp. Sometimes a triangle can be used for all three but it has to be small enough to hold the test tube and large enough so the others will not to tip over.