Variable injections on an ACQUITY system - WKB30047
Article number: 30047
SYMPTOMS
- Repeat injections show variable response
- No peaks present in some injections
ENVIRONMENT
- ACQUITY UPLC
- ACQUITY UPLC H-Class
- ACQUITY UPLC H-Class Bio
- ACQUITY UPLC I-Class
- ACQUITY UPLC H-Class PLUS
- ACQUITY UPLC H-Class PLUS Bio
- ACQUITY UPLC I-Class PLUS
- Arc HPLC
- ACQUITY Arc
CAUSE
Air in the system
FIX or WORKAROUND
- Ensure that sufficient wash solvent is present and prime the system—syringe, wash, and solvent lines.
- Ensure that all air bubbles are removed from the injection system and that the purge line filter is fully submerged in solvent.
ADDITIONAL INFORMATION
id30047, UPBINARY, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO