Référence du produit : WAT023555
Sep-Pak Alumina B Plus Light Cartridge, 280 mg Sorbent per Cartridge, 50 - 300 µm, 50/pk


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Description du produit

Sep-Pak Alumina B Plus Light cartridges contain a highly active grade of alumina with a basic surface chemistry. The aluminum oxide surface provides an extremely polar surface for analyte retention and has properties of a Lewis acid. This normal phase sorbent is similar in use to silica; however, it is slightly more stable than unfunctionalized silica under high pH conditions. This basic alumina is also low-capacity ion exchanger in aqueous media. Sep-Pak Alumina B Vac cartridges can be used to extract phospholipids, steroids, and catecholamines. Since Sep-Pak Alumina B is unaffected by high-energy radioactivity, these cartridges can be used for radioactive compound isolation. These cartridges have a distinctive finned outer body and a reduced internal diameter, which results in an interstitial volume about one-third that of the corresponding Plus-style cartridge. This design allows you to elute fractions in a minimal volume to improve recoveries and reduce solvent consumption, a benefit especially for applications where samples are limited or where excessive dilution is a concern.

Spécifications

  • UNSPSC

    41115712

  • Gamme

    Sep-Pak

  • Type de produit

    Extraction en phase solide

  • Units per Package

    50 pk

  • Chimie

    Alumine B

  • Format

    Cartouche Plus Light

  • Mass Spec Compatibility

    Oui

  • Mode

    Phase normale

  • Particle Size

    50 - 300 µm

  • Pore Size

    120 Å

  • Sorbent Substrate

    Alumina

  • Quantité de sorbant

    280 mg

  • Water Wettable

    Oui

  • pH Range Min

    0 pH

  • pH Range Max

    10 pH

  • Hold up volume

    0.35 mL

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