Pipette is one of the tools that is quite important for its function in a laboratory even though it is small. One of the pipettes used most often is the dropper pipette. The following guide how to use the pipette drops properly and correctly. This type of pipette is usually made of plastic or glass which has a slightly tapered lower end. While the upper end is covered by rubber. In the Biology laboratory, you should know the various types of pipettes, such as Drop pipettes, volume pipettes, micropipettes and measuring pipettes.
For a young scientist knowing how to use the dropper pipette is the most basic thing. That is because a scientist will be familiar with the equipment when researching liquids and solutions in a laboratory. In addition, young scientists also need to know what the drip pipette functions. The functions are:
- Helps in taking fluids that are approaching the volume limit easily. Indeed, in moving the solution must be done slowly so as not to be contaminated with objects or other solutions.
- Dropper drops are also often used in taking special indicators which are very few in number and only a few drops. So, when you use this dropper the amount of liquid or solution needed and taken will be more accurate.
- Another function is to move the liquid or solution on a tube that has a small neck. This is because the dropper pipette has a size that is long enough and small so that it can reach the tube to enter the required liquid or solution in accordance with the dose.
How do you use Dropper Pipettes?
The principle of the dropper pipette is the application of air pressure in the tube whose amount is regulated from how strongly we squeeze the rubber part at the end of the dropper. Liquid can enter the dropper tube by minimizing the pressure inside the body of the pipette. The trick is to squeeze the rubber first on the end of the pipette. After you squeeze it slowly, then insert the lower end that has a small diameter into the liquid or solution.
After you push it, it can be continued by dipping some of the tip of the pipette and the rubber that we pressed was released slowly. The goal is that the liquid taken can enter the pipette body. However, if you want to remove the liquid, then the way is to increase the pressure inside the tube body. Then, continue to squeeze the rubber. The size is one drop equal to one push.
Once you know how to use a dropper, it is also important to know how to treat it. Good eyedropper care is not only for your convenience but also so that it can be durable and undamaged for subsequent use. Here are some tips for keeping the dropper pipette.
- Re-check the drop pipette after use and double check if there is a solution left in it. Dispose of it thoroughly and take care that the solution is not contaminated with other materials used.
- When washing, you should wash it with clean water without using soap. Also make sure it is not touched by various other ingredients in the pipette beforehand. Thus it will be easier to use and sterile for other solutions.
- If the solution is dangerous enough, it should be washed using soapy water. However, make sure that the hands are not directly affected. Then, the drying process can be done using a tissue or a special cloth and store it in a cool temperature. Keep it upside down, so that the water can come down and speed up the drying process.
That’s the way to use the eyedropper and its maintenance guide for young scientists. Hopefully this will be useful and will broaden your horizons in the application of pipette drops in the laboratory.
Find out more about micropipettes by looking at the following product catalog.