Remark:
1. Glass pipette should not be dried in the drying oven.
2. Glass pipette should not move too hot or too cold solution.
3. During one experiment should use a same pipette as far as possible.
4. Glass pipette after finish using, should be clean by tap water and distilled water rinse immediately, then put in the pipet rack.
5. Pipette and volumetric flask is often used together, so before using should calibration the volume of them.
6. When using a pipette, in order to reduce the measurement error, every time should graduated from the top scale (0) as the starting point, downward let out the required volume of solution, but not you need how much volume solution then suck up how many.
