Abnormal spikes observed in ACQUITY UPLC PDA chromatogram - WKB194228
Article number: 194228
SYMPTOMS
- Abnormal spikes observed in PDA chromatogram
- New lamp does not resolve issue
- Low lamp energy seen (<1000 counts)
ENVIRONMENT
- ACQUITY UPLC PDA Detector
CAUSE
The flow cell is dirty.
FIX or WORKAROUND
Flush the flow cell with 1:1:1:1 water/acetonitrile/IPA/methanol with 2% formic acid for 30 minutes, and then flush the flow cell with water.
ADDITIONAL INFORMATION
id194228, A-30PDA, isopropanol, UPAPDA, UPBINARY, UPC2PDA, UPPDA, UPPDAARC, UPPDAARCB, UPPDA-E, UPPDA-L, UPPDALTC, UPPDATC, UPPPDA