Robert Bunsen “He created the Bunsen burner for use in flame tests of various metals and salts: its non-luminous flame did not interfere with the colored flame given off by the test material.”(3). Parts of the burner. The Gas tap and the Bunsen burner.
“He created the Bunsen burner for use in flame tests of various metals and salts: its non-luminous flame did not interfere with the colored flame given off by the test material.”(3)
Bunsen burners may be adjusted from a highly luminous flame (left) to a non-luminous flame to the (right).The luminous flame is cooler than the non-luminous flame, which is very hot.
The "coolest" flame is a yellow / orange color.
It is never used to heat anything, only to show that the Bunsen burner is on. It is called the safety flame.
“The medium flame, also called the blue flame or the invisible flame is difficult to see in a well-lit room. It is the most commonly used flame.” (1)
“The hottest flame is called the roaring blue flame. It is characterized by a light blue triangle in the middle and it is the only flame of the 3 which makes a noise.”
The Air-hole is OPEN (1)
C3H8 + 5O2 ⇒ 3CO2(g) + 4H2O(g) -2020 kJ/mol
Sparkers are used to safely light a Bunsen burner. You may need to practice before you turn on the gas.
Hottest part of the flame
Coolest part of the flame