Is it possible to pipette a volume of 564.3 microliters using a single pipette at one time? If yes, explain how to do this. If no, explain why not.

1 answer

Yes, it is possible to pipette a volume of 564.3 microliters using a single pipette, but it depends on the specifications of the pipette you are using.

Most pipettes have a volume range they can accurately dispense, and they typically come in various sizes. Commonly, there are:

  • P1000 pipettes: These can measure volumes from 100 to 1000 microliters. Thus, they can easily accommodate 564.3 microliters.
  • P200 or P250 pipettes: These are not suitable since their maximum range is below 564.3 microliters (200 microliters for P200 and 250 microliters for P250, respectively).

If you are using a P1000 pipette, you can follow these steps to pipette 564.3 microliters:

  1. Set the pipette: Adjust the dial on the pipette to read 564.3 microliters.
  2. Attach a suitable tip: Ensure you use a disposable tip that fits the pipette.
  3. Pre-wet the tip: Aspirate and expel the liquid a few times to ensure accuracy and proper filling of the tip.
  4. Aspirate the liquid: Press the plunger down to the first stop, submerge the tip in the liquid, and slowly release the plunger to aspirate 564.3 microliters.
  5. Dispense the liquid: Move the pipette to the receiving container, touch the tip against the wall of the container, and press the plunger to the second stop to dispense the full volume.
  6. Eject the tip: Without touching the plunger, eject the tip into a waste container.

If you were using a smaller pipette (like a P200 or P250), you would not be able to pipette 564.3 microliters at one time because it exceeds their maximum capacity. Thus, a suitable pipette like a P1000 is required for this volume.