
1100 Series Capillary LC System Manual 35
Optimizing Performance 2
Cleaning the Solvent Filters
• Remove the blocked solvent filter from the bottle-head assembly and place
it in a beaker with concentrated nitric acid (65%) for one hour.
• Thoroughly flush the filter with bidistilled water (remove all nitric acid,
some columns can be damaged by nitric acid).
• Replace the filter.
Never use the system without solvent filters. This could cause damage to the pump
valves
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