Remove the aqueous phase of the sample by angling the tube at 45° and pipetting the solution out. Avoid drawing any of the interphase or organic layer into the pipette when removing the aqueous phase.
Remove the aqueous phase of the sample by angling thetube at 45° and pipetting the solution out. Avoid drawingany of the interphase or organic layer into the pipette whenremoving the aqueous phase.