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Waters

SQD マススペクトルが1Daずれる - WKB124371

Article number: 124371

SYMPTOMS

  • The mass spectrum near SQD m/z 1500 shifts by 1 Da toward the larger side

ENVIRONMENT

  • SQD

CAUSE

Because the cone voltage is not at optimum value, the isotope is larger.

FIX or WORKAROUND

  1. Optimize the cone voltage.
  2. Usually, if m/z is large, set the cone voltage higher.

ADDITIONAL INFORMATION

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