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Waters Corp Waters Sentry Guard Cartridge, C18, 5 μm, 3.9 mm x 20 mm

Catalog No. 50818787 Shop All Waters Chromatography Solutions Products
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This Sentry Guard Cartridge is utilized to extend column longevity in mass spectrometry applications. Positioned between the injector and the analytical column, it prevents suspended particles and chemical contaminants from entering the analytical column. These first-generation, hybrid-based, reversed-phase C18 cartridges provide superior pH stability compared to silica-based columns.

  • Uses high-performance packing materials.
  • Designed for situations requiring greater capacity for biological fluid cleansing and/or temperature control.
  • Manufactured in a cGMP, ISO 9001-certified facility using ultra-pure reagents.
  • Packing material undergoes chromatographic testing with neutral, acidic, and basic analytes for each batch.
  • Ensures consistently great, repeatable performance.

Catalog No. 50-818-787 Supplier Waters Corp Supplier No. 186000660
May include imposed supplier surcharges.
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This Sentry Guard Cartridge is utilized to extend column longevity in mass spectrometry applications. Positioned between the injector and the analytical column, it prevents suspended particles and chemical contaminants from entering the analytical column. These first-generation, hybrid-based, reversed-phase C18 cartridges provide superior pH stability compared to silica-based columns.

  • Uses high-performance packing materials.
  • Designed for situations requiring greater capacity for biological fluid cleansing and/or temperature control.
  • Manufactured in a cGMP, ISO 9001-certified facility using ultra-pure reagents.
  • Packing material undergoes chromatographic testing with neutral, acidic, and basic analytes for each batch.
  • Ensures consistently great, repeatable performance.

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