Which of the following is NOT a possible source of error when using the micropipette?
Understand the Problem
The question is inquiring about possible sources of error when using a micropipette, specifically asking which option does NOT constitute an error in its use.
Answer
Depress plunger to first stop before putting in solution.
Depress plunger to first stop before putting in solution is NOT a possible source of error.
Answer for screen readers
Depress plunger to first stop before putting in solution is NOT a possible source of error.
More Information
Depressing the plunger to the first stop before inserting it into the solution is the correct technique to draw the accurate volume of liquid into the pipette.
Tips
Commonly, confusing plunger stops and incorrect angle of pipetting are issues. Ensure understanding of each step function.
Sources
- Pipettes as Sources of Error - Advanced instruments - aicompanies.com
- 8 common pipetting errors – and simple solutions to address them - integra-biosciences.com
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