Step 1:

Pull the Plunger up to suck in a little bit of air. The tip of the plunger should never be in contact with the fluid while measuring.

Step 2:

Insert the syringe tip into the sample and suck up an amount greater than 50ml.

Step 3:

Push out the excess fluid until the syringe reads 50ml.

You are now ready to measure and dispense the sample.

Step 4:

Push the plunger down until the fluid level indicates 10ml.

You have now successfully measured out 40ml the correct way.

        
    

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