draw or add a small amount of reagent, and draw supernatant liquid, separate precipitation. Gel-tipped dropper: an instrument used to extract or drip a small amount of liquid reagent.
Aug 26, 2019
draw or add a small amount of reagent, and draw supernatant liquid, separate precipitation. Gel-tipped dropper: an instrument used to extract or drip a small amount of liquid reagent.
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