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, UPAQSM, UPARBQSM, UPARBSMFTN, UPARCH30, UPARHQSM, UPARQSM, UPARSMFTN, UPBSMIVD, UPIBSM, UPIBSM+, UPIBSMIVD, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPLCCOLHTR, UPNBINARY, UPPDAARCB, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO, UPSMIVD, UPSMPMGR