- Bunsen Burner in use today safely burns a continuous stream of flammable gas such as natural gas or liquefied petroleum gas.
- The hose barb is connected to a gas nozzle on the laboratory bench with rubber tubing.
- Most laboratory benches are equipped with multiple gas nozzles connected to a central gas source, as well as vacuum, nitrogen.
- The gas then flows up through the base through a small hole at the bottom of the barrel and is directed upward.
- There are open slots in the side of the tube bottom to admit air into the stream using the Venturi effect.
- The gas burns at the top of the tube once ignited by a flame or spark.
- The most common methods of lighting the burner are using a match or a spark lighter.
- The amount of air mixed with the gas stream affects the completeness of the combustion reaction.
- The air flow can be controlled by opening or closing the slot openings at the base of the barrel, similar in function to the choke in a carburettor.
- Brass Bunsen Burner is used in laboratories for educational research and in the pathological lab.
- It produces a single open gas flame, which is used for heating, sterilization, and combustion.
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