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Dionex ED50A Electrochemical Detector
Figure 5-7. Reference Electrode Electronics Card Junctions J1 and J2
13. Slide the cell cover back over the cell body, making sure that the
14. Reinstall the cell in the chromatography compartment. Reconnect the
5.4
Calibrating the Reference Electrode
1. Prepare two buffer solutions: one with a pH of 7.00 and one with a different
pH of your choice (usually a calibration buffer that most closely matches the
pH of the eluent used in your application).
2. Turn off the cell from the
3. Disconnect the inlet and outlet lines from the amperometry cell, and
disconnect the electrical cable from the cell. Remove the cell from its
mounting location in the chromatography compartment.
4. Loosen the cell cover thumbscrew and remove the cover.
5. Disconnect the reference electrode's J2 connector from junction J2 on the
electronics card (see Figure 5-8).
6. Unscrew the reference electrode cylinder from the cell body.
5-8
Junction J1
cable connector on the end of the electronics card lines up with the
opening in the cell cover. Tighten the thumbscrew.
cell's inlet and outlet lines and the electrical cable.
MAIN
Junction J2
or
screen.
DETAIL
Doc. 065551-01 6/13
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