General Recommendation To Lowest Carry-Over - Agilent Technologies 1200 Series User Manual

General Recommendation to Lowest Carry-over

• For samples where needle outside cannot be cleaned sufficiently with water
In case the needle seat has got contaminated and carry-over is significantly
higher than expected, the following procedure can be used to clean the needle
seat:
• Go to MORE INJECTOR and set needle to home position.
• Pipette an appropriate solvent on to the needle seat. The solvent should be
• Clean the needle seat with a tissue and remove all liquid from it.
• RESET the injector.
Agilent 1200 Series Autosampler User Manual
or alcohol use wash vials with an appropriate solvent. Using an injector
program and several wash vials can be used for cleaning.
able to dissolve the contamination. If this is not known use 2 or 3 solvents
of different polarity. Use several milliliters to clean the seat.
Optimizing Performance
Optimization for Lowest Carry-over
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