胶头滴管的使用方法

To use a dropper pipette with a rubber bulb, follow these steps:

1. Squeeze the rubber bulb to expel any air inside the pipette.
2. Dip the tip of the pipette into the liquid you want to transfer.
3. Release the bulb slowly to draw the liquid into the pipette.
4. Hold the pipette vertically to prevent any spills.
5. To dispense the liquid, gently squeeze the bulb and allow the liquid to flow out.

Remember to clean the dropper pipette thoroughly after each use to avoid contamination.

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