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System pressure drops midway through run on ACQUITY UPLC, and no peaks appear in chromatogram - WKB241907

Article number: 241907

SYMPTOMS

  • System pressure drops midway through run, and no peaks appear in chromatogram
  • Dynamic leak test passes for both pump A and pump B

ENVIRONMENT

  • MassLynx
  • ACQUITY UPLC BSM
  • ACQUITY UPLC I-Class
  • ACQUITY UPLC Sample Manager 
  • ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)

CAUSE

The mobile phase sinker and filters are blocked.

FIX or WORKAROUND

Replace the sinker and filters (see WKB1970).

ADDITIONAL INFORMATION

Solvent considerations for ACQUITY I-Class

id241907, A-30SDM, DLT, eluent, UPAQSM, UPBINARY, UPBSM+, UPIBSM, UPIBSM+, UPPBSM, UPPQSM, UPQSM, UPQSM, UPQSM+, UPQSM+, UPQSMBIO, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO

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