A dropper is used to measure out and dispense a liquid in small, controlled amounts, one drop at a time. It does this by combining a rubber or elastomer teat, which creates suction when squeezed, with a narrow glass or plastic pipette that holds the liquid until it is released. Droppers are used in cosmetics,…
Droppers for chemistry are small tools for transferring and adding liquid in drops or small volumes. In a laboratory this usually means a Pasteur pipette with a rubber bulb, a plastic transfer pipette, or a dropper bottle that holds an indicator or reagent. They are used for convenience and speed, not for exact measurement. Common…
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