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It is to prevent direct contact of the glass with the flame of the Bunsen burner. This lowers the possibility of the glass shattering when being heated Read more: What_is_the_purpose_of_the_wire_gauze_placed_over_a_bunsen_burner
This serves to spread out the point of application of the heat.
A wire gauze is placed on a tripod stand on top of a Bunsen burner.
a gauze mat
this defined use of a gauze mat is a peice of appuratus that is placed underneath the busen burner and prevents from the table heating up and sability for the use of the bunsen burner
Gauze is used for bandaging wounds, cuts, etc.
It is to prevent direct contact of the glass with the flame of the Bunsen burner. This lowers the possibility of the glass shattering when being heated Read more: What_is_the_purpose_of_the_wire_gauze_placed_over_a_bunsen_burner
A gauze mat is used below bunsen burners as it protects the tripod or surface which the bunsen burner might be on. It is most likely to be made of thick metal threads threaded into a mat or square. It is best if it is not touched during an experiment including a bunsen burner as it probably will result in mild to severe burns.
This serves to spread out the point of application of the heat.
Wire gauze can be used to support a container (such as a beaker or flask) during heating. When the Bunsen burner flame is beneath it, with a tripod, the wire gauze helps to spread the flame (and heat) out evenly over the container. It is frequently used in combination with an iron ring and ring stand with a Bunsen burner underneath it (see the Related Questions for more information about an iron ring, ring stand, and Bunsen burner & tripod). A clay triangle serves a similar purpose, except that a clay triangle is used for a crucible instead.
A wire gauze is placed on a tripod stand on top of a Bunsen burner.
as far as i know on top of the barrel is the flame. i think that's right
gauze mat
To prevent flame impingement on the vessel being heated, which could damage the vessel. A flame cannot pass through a gauze (or screen). as a proof you could set up a bunsen burner beneath a wire gauze. Turn the gas on and ignite the gas above the gauze. you will notice the flame will stay above the gauze. If you ignite the flame beneath the gauze and lower the gauze into the flame, the flame will not pass above the gauze. Yet, if you light both below and above the gauze you will have flame on both sides. Indicating that flames impinging on the gauze do not burn the gas completely and the gas will pass through the gauze.
burner usually gives off blue flame because it receives enough oxygen to keep it burning at full strength. but after passing through wire gauze the flame turns red because it then receives a disrupted, less and unsteady amount of oxygen. this also causes the temperature of the flame to fall.
a gauze mat
The primary purpose of a wire gauze mat is to support a container (such as a beaker or an Erlenmeyer flask) while it is being heated. The gauze mat also helps with an even distribution of heat as the Bunsen burner flame passes through the gauze to the container.