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ACQUITY UPLC retention times drift - WKB123799

Article number: 123799

SYMPTOMS

  • Peak retention times drift, appearing both early and late
  • Passes pump leak tests
  • Column temperature is ok and stable
  • System pressure is low

ENVIRONMENT

  • ACQUITY UPLC

CAUSE

Leak on the mixer

 

FIX or WORKAROUND

Replace the mixer. Confirm that system pressure increases and RT returns to normal.

ADDITIONAL INFORMATION

 

UPBINARY, UPBINARY, UPBSM+, UPIBSM, UPIBSM+, UPPBSM, UPSMPMGR

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