A test tube is a common piece of laboratory equipment. it is also known as ” sample tube or cultural tube”. A Test tube consists of a finger-length cylindrical-shaped glass tube or a special type of plastic having a U-shaped bottom and an open-top end. the major test tube function and uses in laboratories to mix, hole, or heat solid and liquid chemicals. the Glass or special plastic tube made it possible to be nonreactive with the liquid so that they may not react with liquid samples or ruin the experiment completely.
as a chemistry student, you have seen test tubes many times but maybe do not know why we use them.
as we have discussed above, the test tube is made up of glass or plastic. they are used for holding a small number of liquids for heating and mixing etc., in the sciences and in scientific laboratories. the most common size found in the range between 50 to 250mm in length and 13 to 20 mm in width.
test tubes are widely used nowadays for chemical reactions, heating of solutions, and for growing organisms like test-tube babies.
We ask you a question. Would you like to burn your hands with acid? Of course, your answer is no. Similarly, there are many dangerous bacteria and viruses in the laboratory that can touch your body and harm you, and if you are not careful, many experiments can happen to your body. So how do scientists ensure their safety when doing all these experiments and testing different species?
So these people wear masks on their faces, wear gloves on their hands, and take many other precautions to ensure the safety of all parts of their bodies. Test tubes are used in all of these items to handle hazardous materials with caution.
Many types of glass are used to make laboratory products that have their own characteristics. And these types are used in different places. The first type of glass is borosilicate glass which is very transparent and can withstand a lot of pressure. Quartz glass can withstand very high temperatures. Many parts of quartz glass are also used in the electromagnetic spectrum for bearing high temperatures.
in a similar manner, actinic glass can bear or resist infrared as well as ultraviolet radiation. another type is Heavy-wall glass which can absorb lots of pressure and is used for pressurized applications.
here are some examples of Glassware used in the laboratory for different purposes. some are used for liquid containers while others are used for measuring and glassware includes:
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