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Scion Instruments Manuals
Laboratory Equipment
LC6000
Troubleshooting manual
Scion Instruments LC6000 Troubleshooting Manual
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LC6000 Troubleshooting Guide
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Summary of Contents for Scion Instruments LC6000
Page 1
LC6000 Troubleshooting Guide...
Page 2
20 column volumes Retained peaks look like baseline drift Use a guard column • • Thoroughly flush the column with strong • solvent before next injection Company Confidential. ©SCION Instruments 2021...
Page 3
Prolonged retention of target compound(s) Modify mobile phase composition • • Use appropriate mobile phase buffer • Use a different stationary phase column • Blocked column Reverse phase flush column with strong • • solvent Replace column • Company Confidential. ©SCION Instruments 2021...
Page 4
Dilute sample (too concentrated, sample • overload) Carry Over Increase run time • • Increase gradient • Flush system with strong solvent • Ghost peaks Prepare fresh mobile phase • • Reduce injection volume • Company Confidential. ©SCION Instruments 2021...
Page 5
Sample loop blocked Flush with strong solvent • • Replace sample loop • Waste tubing blocked Flush with strong solvent • • Replace waste tubing • Syringe failure Tighten syringe gently • • Replace syringe • Company Confidential. ©SCION Instruments 2021...
Page 6
Prime pump with mobile phase • No mobile phase Make up new mobile phase • • Check vales not working Replace check valves • • Leak Find source of the leak and tighten or replace • • fittings Company Confidential. ©SCION Instruments 2021...
Page 7
Check valves are faulty Replace check valves • • Pump seal failure Replace seal • • Leak Identify leak and tighten/replace fittings • • Mobile phase changes Fully purge system with new mobile phase • • Company Confidential. ©SCION Instruments 2021...
Page 8
Use a narrower ID tubing • Guard column / column contaminated Replace guard column / column • • No resolution of two peaks Change column to improve separation • • Column temperature too low Increase column temperature • • Company Confidential. ©SCION Instruments 2021...
Page 9
• • Contaminated guard column / column Replace guard column / column • • Incorrect mobile phase composition Prepare new mobile phase • • Air in system Purge system • • Degas mobile phase • Company Confidential. ©SCION Instruments 2021...
Page 10
Livingston Business Centre Kirkton South Road, Livingston West Lothian EH54 7FA Scotland, UK Phone +44 (0)1506 300 200 sales-eu@scioninstruments.com The Netherlands Amundsenweg 22-24 4462 GP Goes, The Netherlands Phone +31 (0)113 287 600 sales-eu@scioninstruments.com ©SCION Instruments 2021 Company Confidential. ©SCION Instruments 2021...
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