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Reading Volume on the He Micropipette: Accuracy and Precision

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Reading Volume on the He Micropipette: Accuracy and Precision

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Questions and Answers

What is the correct way to remove a tip from the sample liquid when operating a micropipette?

Withdraw the pipette with the plunger fully depressed (correct)

Allow residual liquid to remain on the outside of the tip

Remove the tip before withdrawing from the sample liquid

Depress the plunger to the second stop

What should you do after attaching the disposable tip to the micropipette?

Depress the plunger to the second stop

Start dispensing the sample (correct)

Touch the tip end to the side wall of the receiving vessel

Attach a colored tip for accurate measurements

What should be done to ensure there is no liquid remaining on the outside of the tip after withdrawing it from the sample liquid?

Withdraw the tip before removing it from the sample liquid

Depress the plunger to the first stop

Properly depress the plunger to expel any residual liquid (correct)

Remove the tip slowly to avoid liquid spillage

What should be done before depressing the plunger to dispense the sample when operating a micropipette?

Touch the tip end to the side wall of the receiving vessel Signup and view all the answers

What is the purpose of allowing a few seconds pause after drawing up the sample into the plastic tip?

To ensure that full volume of sample is drawn into the plastic tip Signup and view all the answers

What is the correct step for proper droplet removal when operating a micropipette?

Depressing to expel residual liquid at second stop Signup and view all the answers

What action should be taken after dispense and before withdrawing the pipette from a receiving vessel when operating a micropipette?

Depressing to expel any residual liquid in the tip Signup and view all the answers

When should you discard a tip used in sampling with a micropipette?

After properly withdrawing from a receiving vessel Signup and view all the answers

Reading Volume on the He Micropipette: Accuracy and Precision

Choose a study mode

Podcast

Questions and Answers

What is the correct way to remove a tip from the sample liquid when operating a micropipette?

What should you do after attaching the disposable tip to the micropipette?

What should be done to ensure there is no liquid remaining on the outside of the tip after withdrawing it from the sample liquid?

What should be done before depressing the plunger to dispense the sample when operating a micropipette?

What is the purpose of allowing a few seconds pause after drawing up the sample into the plastic tip?

What is the correct step for proper droplet removal when operating a micropipette?

What action should be taken after dispense and before withdrawing the pipette from a receiving vessel when operating a micropipette?

When should you discard a tip used in sampling with a micropipette?

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