What is a Bunsen burner and how is it used in the science lab?

bunsen burner lab equipment

A Bunsen burner is one of the mostly commonly used pieces of lab equipment. It is a common apparatus used across all types of labs for all sorts of experiments. What is a Bunsen burner and why is it called so? A Bunsen burner is piece of lab equipment that is used to heat material for experiments. It is a burner which operates on gas. The flame of a Bunsen burner can be adjusted by managing the inflow, outflow and mixing of gas and air. A Bunsen burner is named after the inventor Robert Bunsen, a scientist working for the University of Heidelberg, in 1855.


When using a Bunsen burner, it is very important to control the flame and to ensure proper safety. Complete care while using flammable lab supplies should be observed. This not only takes care of the person using the burner it takes care of the laboratory equipment as well and ensures that these laboratory supplies have a longer life. Usage of science equipment should be done under supervision of an expert to avoid any mishaps.


Bunsen burners have many levels of adjustable flames. The yellowish-orange flame is the coolest flame at almost 300 degrees, then is the blue flame, which is at approximately 500 degrees. This blue flame is not visible if a room is very brightly lit. The next type of flame is known as the roaring blue flame. This is at a temperature of 700 degrees. The characteristic of this flame is that it has a bright blue triangle in the centre of the flame.


The gas used for Bunsen burners are either methane or LPG such as butane and propane. The Bunsen burner is constructed in such a way that a stable flow of the gas being used is maintained. Usuallyde of a metal tube. This metal tube is fixed onto a broad base. There is an inlet for the gas flow on this broad base. This also has an adjustable valve to regulate the inflow of air and hence the flame. the Bunsen burner which uses propane gas is ma