Using the right way: Burettes

Using the right way: Burettes

1-Fill the burette a litle bit more then the "0" level

2-Check the valve - open it and let the liquid to pour but not under the zero level.

3-Check for air bubble in the burette.

4-Fill the burette 10 mm more above the zero level.

5-Set the zero level by checking the meniscus at the eye level.

6-Wipe the liquid drops and start the titration. When the color change appear wait for 30 seconds.

7-Get in the beaker the last drop as this is also part of the titration volume as well.