How are laboratory consumable pipettes cleaned manually?

　　Pipette automatic production line manufacturers first talk about what is a pipette, a measuring device used to accurately pipette a certain volume of solution. A pipette is a measuring-dispensing instrument used only to measure the volume of a solution it dispenses. It is a long, thin glass tube with an enlarged section in the middle. The lower end of the pipette is in the shape of a beak, and a marking line is engraved on the neck of the upper end of the pipette, which is a sign of the exact volume to be pipetted.

　　How are laboratory consumable pipettes cleaned manually?

       1. Hold the upper end of the pipette or pipette with the right hand at a suitable position, the index finger is close to the upper opening of the pipette, the middle finger and ring finger are spread to hold the outside of the pipette, the thumb is held in the middle of the middle finger and ring finger on the inside of the pipette, and the little finger is natural Relax.

　　2. Hold the ear-absorbing ball in the left hand, hold the ear-absorbing ball in the fist position, hold the ear-absorbing ball in the palm, with the tip pointing down, hold the ear-absorbing ball tightly, discharge the air in the ball, insert or connect the tip of the ear-absorbing ball to the pipette (Pipet) upper mouth, be careful not to leak air.

　　3. Slowly loosen the finger of the left hand, slowly suck the washing liquid into the tube until it reaches the part above the scale line, remove the suction ear ball, quickly block the upper opening of the pipette (pipette) with the index finger of the right hand, wait for a while, Return the washing solution to the original bottle.

　　4. Rinse the inner and outer walls of the pipette (pipettor) with tap water until there are no drops of water, then wash with distilled water for 3 times, and drain the water for later use.