PATIKIL Graduated Dropper Pipettes 4 Pcs 5ml Reusable Borosilicate Glass Pipette for Transfer Liquid for Laboratory Chemistry Clear
- Graduated dropper pipettes' main use is to transfer liquids, such as essential oils, acid, solvent, etc. It is widely used in science laboratories, teaching experiments, microbiology, etc. Its material is borosilicate glass with clear scale lines on the surface of the pipette, which is very practical..
- It is made of borosilicate glass, which is thick and durable, easy to clean and store, so it can be used repeatedly. Moreover, the borosilicate glass material has high temperature and corrosion resistance. There are clear and readable scale lines on the surface of the pipette, allowing you to measure the volume of the liquid precisely..
- Instruction: 1. Clean the pipette and blot up the tip inside and outside with filter paper before use.
- 2. Put the rubber cap sleeve into the mouth of the pipette and fix it.
- 3. Put the pipette into the liquid container, and squeeze the rubber cap to absorb the solution.
- 4. After the suction is completed, squeeze the rubber cap again to squeeze out the solution.
- 5. Remember to clean it at once after use.