Titrations

1
Titrations

• The Proper Use Of A Buret

2
Assemble the Ring Stand and Buret Clamp
3
Fill the Buret (NaOH)
Go Slow!
Dont overfill!
Remove funnel when finished.
4
Drain The Buret
Inspect the buret tip for bubbles.
Ready to go!No bubbles in tip.
Open the valve....
...and let a small amount of liquid run into a
waste beaker.
Drain the buret again to eliminate bubbles.
5
Record Initial Volume
ALL BURET MEASUREMENTS MUST INCLUDE 2 DECIMAL
DIGITS!!!!
6
Add Liquid to Flask
7
Stir and Titrate
8
Close to the Endpoint?Add only a little!
9
The End of the TitrationEndpoint
10
Final Reading
ALL BURET MEASUREMENTS MUST INCLUDE 2 DECIMAL
DIGITS!!!!
11
Calculate the dispensed volume.
13.88 mL
-
2.68 mL
11.20 mL
11.2 mL
2 Decimal Digits!!