Introduction to the Agilent 7100 Capillary Electrophoresis System

Maintenance 8
Cleaning the Electrodes, Pre-punchers and Insulation Plate
NOTE
If there is an accumulation of dirt in the pre-puncher funnel, put the pre-punchers and
connecting tubing in a beaker of water and treat it in an ultrasonic bath for five minutes
followed by steps 2 and 3 in this section.
NOTE
Residual liquid in connecting tubes may be transported to the air valve blocks and result in
damage. Such liquid plugs may also negatively influence injection reproducibility.
Cleaning the Insulation Plate
Salt crystals, films of substances such as buffer or gel that allow moisture will
lead to increased leakage current or even arcing. The insulation plate must be
free of such contamination.
1 Moisten a tissue with water and use it to clean the insulation plate.
2 Moisten a tissue with isopropanol and use it to clean the insulation plate.
3 Dry the insulation plate with a tissue and compressed air.
Agilent 7100 Capillary Electrophoresis System User Manual 207