A test tube holder is an apparatus designed to support and store test tubes during a scientific experiment. A test tube is a thin-glassed tube with one closed end used in the exami...
A test tube holder can be made from wood or metal. It is used for holding a test
tube in place when the tube is hot or should not be touched. For example, a test ...
These Stoddard clamp test tube holders are made of steel and will easily hold
test tubes 6-31mm in diameter. ... They are for Educational / Laboratory use only.
This test tube holder, or clamp, is 6-1/5 inches long with finger grips. Holds any
size test tube. The test tube holder is used to hold test tubes when they are hot ...
Test tube holders come in two main types: tongs and racks. ... Since a test tube
won't stand on its own, a helper is often needed to carry out an experiment.
Exporter of Chemistry Lab Instruments - Test Tube Brush, Test Tube Holder,
Pipette ... This product is widely used for cleaning the test tubes, beaker, and
flasks. ... Borosilicate glass is neutral in its nature produces high purity of distilled
Test Tube Brush - used to clean test tubes. Evaporating Dish - used for ... Test
Tube Rack - holds test tubes during observation or testing. Wash Bottle - used for
Laboratory apparatus can be classified according to their uses as: apparatus for
holding things e.g. test-tube holder, retort stand and clamp, test-tube rack, tongs
and tweezers;; apparatus for taking measurements e.g. .... Note down its mass.
Rarely used in first year chemistry, it is used for the mixing of chemicals. Narrow
... A test tube holder is useful for holding a test tube which is too hot to handle.
The ubiquitous spring wire test tube holder is such a simple, logical, convenient
... Prior to 1890 the most often used test tube clamp was a strip of heavy paper ...