Checking And Cleaning The Solvent Filter - Agilent Technologies 1200 Series Manual

7
Maintenance
Simple Repairs

Checking and Cleaning the Solvent Filter

Small particles can permanently block the capillaries and valves of the module.
C A U T I O N
Damage of the module.
➔
➔
If the filter is in good condition the solvent will freely drip out of the solvent tube
N O T E
(hydrostatic pressure). If the solvent filter is partly blocked only very little solvent will drip
out of the solvent tube.
Cleaning the Solvent Filter
When If solvent filter is blocked
Parts required #
1
1
1
Preparations • Remove solvent inlet tube from the adapter at the AIV
1 Remove the blocked solvent filter from the bottle-head assembly and place
2 Thoroughly flush the filter with bidistilled water (remove all nitric acid,
3 Replace the filter.
78
Always filter solvents.
Never use the module without solvent inlet filter.
Description
Concentrated nitric acid (35%)
Bidistilled water
Beaker
it in a beaker with concentrated nitric acid (35%) for one hour.
some capillary columns can be damaged by nitric acid).
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