Cleaning And Decontamination; Flow Cell Replacement - Gilson VERITY 1741 User Manual

Cleaning and Decontamination

Use a dry or damp cotton cloth for cleaning the detector surface.
If the flow cell compartment is contaminated by liquid from the chromatography process, then
read safety instructions for the liquid used and dry the compartment according to the safety
instructions for liquid. Do not touch the flow cell window or lens using your fingers or sharp/
hard tools as this may damage the optical parts surface. Turn the lamps off before cleaning the
flow cell.
Cleaning the Flow Cell
contamination of the flow cell results in lowered light transmission, which increases the noise
level and makes zeroing difficult.
The simplest cleaning method is flushing a flow cell with suitable solvents. The flow cell must be
removed from the detector before cleaning. Select the solvent type according to the character
of contamination by a series of mutually miscible solvents. It is possible to use both organic and
inorganic solvents and diluted solutions of acids (e.g., H
in a 1:20 to 1:10 ratio).
after this operation is complete, flush the flow cell with pure solvent. connect the flow cell to
the system and then flow liquid through it and check for leaks. If flushing did not help, contact
your local Gilson representative.

Flow Cell Replacement

The flow cell compartment is located at the front
of the detector, behind the closed door. open the
door and then loosen the holding screws and then
remove the flow cell.
CAUTION
Inlet/Outlet Tubing
Replacement Preparation
For part numbers for replacement tubing and fittings, refer to Parts and Accessories on page 33.
Install the replacement fittings and/or tubing. Refer to Plumbing Connections on page 13, as
needed.
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MaInTEnancE
UV light is dangerous for your eyes. If the flow cell is installed in the detector, then the UV light
is shielded. When performing flow cell maintenance, it is very important to protect your eyes
with glasses that absorb UV light.
The detector is an electrical device. Disconnect the power cord before servicing.
Always turn the lamp off before
performing any flow cell maintenance.
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VERITY® 1741 UV-VIS DETEcToR
So or Hno diluted with distilled water
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