Retention time shifts on ACQUITY UPLC H-Class - WKB232811
Article number: 232811
SYMPTOMS
- Retention time shifts for peptide mapping analysis
- Priming a long time (>20 minutes) resolves the RT shifting issue
- This issue occurs only when A and B solvent lines are used
ENVIRONMENT
- ACQUITY UPLC H-Class
CAUSE
Unknown
FIX or WORKAROUND
Replace the Gradient Proportion Valve, 700005161.
ADDITIONAL INFORMATION
id232811, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO