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Waters

ACQUITY H-Class SM-FTN shows variable RSD - WKB86411

Article number: 86411

SYMPTOMS

  • High and variable RSD when injecting standards
  • System leak test fails when including the needle and needle seal

ENVIRONMENT

  • ACQUITY H-Class SM-FTN

CAUSE

A leak between the needle and the needle seal causes variable injection responses and a high RSD.

FIX or WORKAROUND

Replace the needle and the needle seal. (Needle seals and guides are included in the following kits, and 15 µL is the standard needle volume.)

  • 15µL Textured (PLUS) - 700011628
  • 15µL Textured (Bio PLUS) - 700011658
  • 15µL Textured (H-Class) - 700005215
  • 15µL Textured (H-Class Bio) - 700011628
  • 30µL SS Textured (PLUS) - 700011698
  • 30µL MP35N Textured (PLUS) - 700011713
  • 30µL SS - 700005279

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