Equipment Use Review

1
Equipment Use Review

• What lab equipment is used for handling a hot
  beaker?
• What lab equipment would be used to hold a piece
  of metal in a flame?
• What piece of lab equipment is used to measure
  volume?
• A BEAKER OR FLASK IS NEVER USED AS A MEASUREMENT
  DEVICE!!!
• Parent Contact Letters

2
Tirrill (Bunsen) Burner
3
How the parts work.Turning the barrel

• Controls type of flame (orange or blue) by
  opening and closing the air vent.
• Always use blue flame (open vent) however, vent
  should not be wide open for initial igniting.

4
How the parts work.Gas Flow Control

• Controls the height of the flame through
  controlling the amount of gas flowing.
• Use appropriate flame height. NO TORCHES.

5
Operation of the Tirrill (Bunsen) Burner

• Hook the hose to the gas inlet and gas jet
• Place spark ignitor next to top of barrel
• Turn on gas and ignite with sparker
• Make barrel and gas flow control adjustments for
  proper flame

6
Trouble Shooting

• You should be able to hear the gas flowing. If
  not
• Check if gas flow control valve is open
• Check if jet valve is clogged. If so see your
  teacher.

7
Troubleshooting

• Gas attempts to light but goes out. Possible
  causes are
• Air vent is to far open. Turn the barrel down.