Operating Instructions RF-2000
65
(4) Flush out the nitric acid with distilled water.
(5) Replace with mobile phase. When the mobile phase used for analysis is not
miscible with water, replace the flow lines with acetone and replace it with the
mobile phase.
8.1.3 Cell disassembling and cleaning
Please note:
Carefully handle the flow cell and Teflon packing so as not to
stain or damage them. Careless handling will result in
deterioration of sensitivity or leakage of liquid. For handling,
tweezers coated with resin tube at tips must be used.
(1) Loosen the M3 screw using a screwdriver. Remove the M3 screws and the
flow cell guide.
(2) Loosen the knurled setscrew, then remove the inlet side Teflon packings, the
outlet side Teflon packing and the flow cell.
(3) Soak the flow cell new inlet side Teflon packing and outlet side Teflon packing
in acetone for cleaning and then clean them again with isopropyl alcohol. If
the flow cell is still stained, use other organic solvents or detergent (Clean 99,
Contaminon, or Exstran etc.) to clean the flow cell. Be sure to remove any
such solvent completely before the installation described below.
(4) Screw in the inlet side knurled setscrew to the bottom.
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