Laboratory Techniques Flashcards
Quantitative Transfer
To move all material from one place to another without any loss of sample.
Rotating Bunsen Burner Clockwise
Closes the air valve.
Rotating Bunsen Burner Counter-Clockwise
Opens the air valve.
Rotating Gas Valve Clockwise
Opens gas valve.
Rotating Gas Valve Counter-Clockwise
Closes gas valve.
Turning Snorkel Clockwise
Increases air flow.
Turning Snorkel Counter-Clockwise
Decreases air flow.
Reflux Ring
A ring formed from the condensing of the rising vapour into liquid.
Number of Weighings Required for Weighing By Difference
n +1 for n samples.
Volumetric Pipette
Measures one specific volume.
Mohr Pipette
Measures multiple volumes.
TD
To deliver (calibrated to dispense a specified amount of liquid).
TC
To contain (calibrated to contain a specified amount of liquid).
