1.Draw a small amount of distilled water, rinse the pipette.
2.Cleaning the pipette by Rinse many times with tap water, then repeat the distilled water rinse.
3.Draw the chemical solution into the pipette until the volume we need to experiment.
4.wipe the tip of the pipette with lintless tissue.
5.Remove the pipette from the volumetric flask.
6.Holding the pipette vertically,and flask should be inclined to flow slowly.