PATIKIL Graduated Dropper Pipettes 4 Pcs 5ml Reusable Borosilicate Glass Pipette for Transfer Liquid for Laboratory Chemistry Clear
- ...s 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.
- NOTE: 1. Dropper pipette needs to be used with rubber caps. This package does not come with rubber caps, please pay attention to this before ordering. 2. When using, the pipette should be vertically above. After absorbing the liquid, the pipette's mouth should not touch other objects. 3. After cleaning, place it in a ventilated place to dry. 4. When cleaning, handle with care to avoid collision and prevent breaking..