Baseline slowly drifting on the 2414 Refractive Index (RI) Detector - WKB11406
Article number: 11406
SYMPTOMS
- Baseline is very slowly drifting down
- Instrument was powered-on overnight
- Sample and reference flow cell thoroughly purged
- LED optimized
- New mobile phase
- Very low pump pressure ripple
- New assay
- Flow rate accurate
ENVIRONMENT
CAUSE
Temperature was set on the column, but not on the detector.
FIX or WORKAROUND
- Set detector temperature.
ADDITIONAL INFORMATION
2414 Refractive Index Detector Overview and Maintenance Guide
id11406, 2414, 2414B, 2420, A-10RI, eluent, pressure fluctuation