GPC/SEC Troubleshooting
GPC/SEC Troubleshooting has been developed by PSS and Separation Science. It is published bimonthly in ChromDoctor section of Separation Science Magazine since March 2010:
| Author | Title | Question | Sep.Science | |
|---|---|---|---|---|
| D. Held | #4 Unexpected peak shapes – different shapes than others | I have measured calibration standards to create a calibration curve and they look different from the manufacturer ’s peaks. What is wrong? | magazine link | Info |
| D. Held | #3 Additional Gost or System Peaks | I see a lot of peaks, especially in the low molar mass region of the chromatogram. Is that normal? | magazine link | Info |
| D. Held | #2 Missing Signal | I have injected a sample and I don't see a signal. What can be the reason for this? | magazine link | Info |
| D. Held | #1 Pressure Increase | My GPC/SEC system runs at a pressure of 80 bar/1160 psi. Now the system pressure has been increased and the pump has shut down to protect the columns. What should I do? | magazine link | Info |