The Use And Precautions Of Pipettor

A pipettor is a commonly used laboratory instrument used for precise transfer of liquids. It consists of a gun head, a gun barrel, a ruler, a button and other components. It has the advantages of easy operation and high accuracy, and is widely used in biology, chemistry, medicine and other fields. This article will introduce the purpose, usage, precautions, maintenance and upkeep of the pipettor.

1) The purpose of the pipettor

Pipettor are mainly used to accurately transfer liquids, such as buffers, reagents, etc. It can select different suction heads and capacities according to needs to achieve the transfer of different volumes and different types of liquids. Compared with traditional pipettes, pipette guns have the advantages of easy operation, fast speed, and high precision, which greatly improves laboratory work efficiency.

2) How to use a pipettor

• Choose the right tips

Choose a tip with the appropriate capacity based on the type and volume of liquid you need to transfer. Generally speaking, the measuring range of the pipette gun is marked on the gun body, and you need to select according to the marking when using it.

• Prepare liquid

Pour the liquid to be transferred into the corresponding container, such as a pipette tank, for easy operation.

• Set capacity

You can directly turn the button to adjust as needed.

• Imbibe

First press the button to the first position, then insert the pipette tip into the solution, and slowly release the button to inhale the liquid. During the aspiration process, care should be taken to avoid the tip touching the bottom or side wall of the container, and the pipette should not be tilted upside down after aspiration.

• Squeeze out

Insert the tip into the target container, press the button to the second position, and discharge the liquid.

3) Precautions for using pipettor

• Before use, you need to read the instructions and operating procedures carefully to understand the usage and precautions.
• During the liquid transfer process, the tip should be prevented from contacting the bottom or side wall of the container to avoid contamination.
• When adjusting the volume, you need to adjust slowly and avoid turning the ruler quickly to avoid damaging the pipette.
• During use, care must be taken to avoid liquid splashing to avoid environmental pollution and experimental accidents.
• After use, the pipette gun needs to be adjusted back to the maximum range to avoid the spring being in a contracted state for a long time and affecting the accuracy of the pipette gun.

4) Pipettor care and maintenance

• Clean the gun tip. After use, the gun head needs to be cleaned to prevent residue from contaminating the next experiment. When cleaning, care must be taken to avoid damaging the components inside the gun.
• Check the buttons and ruler. During use, you need to regularly check whether the buttons and rulers are loose or falling off. If there are any abnormalities, they need to be repaired or replaced in time.
• Regular maintenance. Perform regular maintenance on the pipette, including maintenance of internal components, replacement of seals, etc., to ensure its normal operation and accuracy.
• Storage. Store the pipette in a dry, dust-free place and avoid prolonged exposure to air to avoid rust and contamination.

In addition, electric pipettor are widely used in laboratories to absorb, transfer, and mix liquids due to their fast, efficient, and convenient advantages. They are generally operated with disposable plastic pipettes during use.

In short, the correct use and maintenance of pipettor is an important guarantee for ensuring the quality and safety of laboratory work. During use, it is necessary to strictly abide by the operating procedures and precautions, and perform regular maintenance and upkeep to ensure its normal operation and accuracy.