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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...

Test tube holder


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 ...

Test Tube Holder (Stoddard) - Arbor Scientific


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.

Test Tube Clamp / Holder - The Science Company


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 ...

Uses of a Test Tube Holder | eHow


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.

Chemistry Lab Instruments - Test Tube Brush Exporter from Ambala.


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 water ...

Scientific Equipment - Biology Junction


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  ...

Basic Chemistry Laboratory Apparatus Find ring - Shule Direct


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.

Lab Equipment Powerpoint - ScienceGeek.net


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.

Parting Shots. - School of Chemical Sciences

www.scs.illinois.edu/~mainzv/HIST/bulletin_open_access/num9/num9 p37-39.pdf

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 ...

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Commonly Used Lab Equipment


Used to plug a flask or testtube for safe keeping. Test Tube. Used to mix, heat, or store substances. Test Tube Rack. Used to hold test tubes. Test Tube Holder.

What are the uses of a test tube holder? - Ask.com


Test tube holders are used to distance a person from potentially dangerous tasks when using chemicals in test tubes. They not only extend a person's reach, ...

What are the uses of a test tube rack? - Ask.com


Test tube racks are commonly used in laboratories to keep test tubes upright so ... A test tube that is always returned to its rack is less likely to develop chips or ...

What is the function of a test tube holder and a test tube rack?


A test tube holder's purpose is for holding test tubes in place, but they can also ... There are also many other accessories that are useful when using test tubes.

What is a test tube holder or rack and what are its uses - Answers.com


A test tube holder is used in a laboratory and it is used tohold/support test tubes containing chemicals waiting for furtheroperations.