Thermo Scientific Thermo Scientific Vanquish VC-D40, Operating Manual

Page: 116 / 174

7 • Maintenance and Service
Page 116 Variable Wavelength Detectors (VC-D40, VF-D40)
Operating Manual
WARNING—Health Risk
The handling of solvents can pose health and safety risks.
Wear personal protective equipment as required by the hazard and
follow good laboratory practice. Refer to the material handling and
safety data sheet provided by the vendor.
Follow these steps
You can perform the following procedure by using the optional flushing
and injection kit.
1. Flush the flow cell with HPLC-grade water.
2. Fill the flow cell with 0.1 M nitric acid using the optional flushing and
injection kit.
3. Flush the flow cell with HPLC-grade water until the solvent leaving
the flow cell is neutral (pH 7).
4. If cleaning the flow cell does not eliminate the problem, install a new
flow cell.
See also
2 Installing a Flow Cell with Connection Unit ( } page 60)
2 Installing a Flow Cell without Connection Unit ( } page 60)
7.6.3 Removing the Flow Cell
When
• Storing the flow cell in its packaging
• Replacing the flow cell
• Leakage occurred on the flow cell
Parts required
• If the flow cell is to be stored
Packaging of the flow cell
• If no flow cell is to be installed to the detector afterward
Diagnostic cell
Preparations
1. If the flow cell is to be stored
Flush the flow cell with isopropanol.
2. Turn off the pump flow.