138.
Series 200a Fl User’s Guide
Fig. 6-7 Injection by Syringe
6.
Replace the washing solution with the eluent that is used for separation, and repeat the
procedure in step (5).
7.
If air bubbles are observed in the flow cell, supply solution into the cell with the pump at a flow
rate within 1.0 mL/min and a pressure within 1.0 MPa. While the solution is being supplied into
the flow cell, pinch the end of the drain tube with your fingers for a few seconds to increase
the pressure inside the cell, then release your fingers quickly. Repeat this procedure a few
more times until all the air bubbles have been removed.
Fig. 6-8 Removing Air Bubbles
NOTE:
Applying too much pressure may damage the flow cell. Set the pressure limiter of the pump at 1.0
MPa max. before removing air bubbles.
Disassembly and Cleaning of Flow Cell
1.
Disassembly of Flow Cell
If contamination is not removed by just flushing the interior of the flow cell, then disassemble
and clean the cell in the procedure below.
Summary of Contents for 200A Series
Page 1: ...SERIES 200A FLUORESCENCE DETECTOR User s Guide LIQUID CHROMATOGRAPHY ...
Page 5: ...Introduction ...
Page 6: ......
Page 15: ...Safety Practices ...
Page 16: ......
Page 17: ......
Page 33: ...Safety Practices 33 Figure 2 2 Overview of the warning labels on the front of the instrument ...
Page 35: ...System Description 35 System Description ...
Page 36: ...36 Series 200a Fi User s Guide ...
Page 55: ...Installation 55 Installation ...
Page 56: ...56 Series 200a Fi User s Guide ...
Page 66: ...66 Series 200a Fi User s Guide ...
Page 67: ...Operation 67 Operation ...
Page 68: ...68 Series 200a Fi User s Guide ...
Page 117: ...Maintenance 117 Maintenance ...
Page 118: ...118 Series 200a Fl User s Guide ...
Page 154: ...154 Series 200a Fl User s Guide ...
Page 155: ...Troubleshooting ...
Page 156: ...156 ...
Page 162: ...162 Series 200a Fl User s Guide ...
Page 163: ...Appendix 163 Appendix ...
Page 164: ...164 Series 200a Fl User s Guide ...
Page 170: ...170 Series 200a Fl User s Guide ...