Ntsuas Pipettes txoj kev nyeem ntawv
Sep 20, 2022
Tso lus
1. Khaws lub pipette perpendicular rau kev nyeem ntawv thaum aspirating.
2. Khaws cov kua theem tib yam li lub qhov muag thaum nyeem ntawv.
3. Cov kua yuav tsim ib qho concave nto vim qhov nro ntawm cov quav hauv cov quav, thiab tus nqi ntawm qhov chaw ntawm qhov concave yuav tsum tau noj thaum nyeem ntawv.
