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Catalog No. MN730958
Part No. 730958
Supplier MACHEREY‑NAGEL
SPE columns, CHROMABOND HR-XA, 85 µm, 6 mL/150 mg
Net Price
Special offer
Availability

6 weeks

PROPERTIES
  • Hazardous material
    No
  • Method
    Solid phase extraction (SPE)
  • Brand
    CHROMABOND
  • Phase
    HR-XA
  • Mode
    Mixed mode (RP and Ion exchange (IEX))
  • Base material
    PS/DVB copolymer
  • Surface chemistry
    Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with quaternary ammonium modification, very strong mixed mode anion exchanger (MAX)
  • Column type
    SPE column
  • Hardware
    Polypropylene (PP) columns with polyethylene (PE) filter elements
  • Column shape
    Open tubular syringe-shaped column with Luer tip outlet
  • Column volume
    6 mL
  • Filling quantity
    150 mg
  • Column volume/adsorbent weight
    6 mL/150 mg
  • Recommended application(s)
    Acidic active ingredients from strongly matrix-contaminated samples, Acidic herbicides, Acids with pKa 2–8, Phenolic acids
  • Particle type
    Fully porous particles (FPP)
  • Particle size
    85 µm
  • Particle shape
    Spherical
  • Specific surface according to BET
    850 m²/g
  • pH stability
    1.0–14.0
  • Filter element material
    Polyethylene (PE)
  • Storage temperature
    RT
DESCRIPTION
State-of-the-art spherical polymer for highest demands in solid phase extraction. PS/DVB copolymer with quaternary ammonium modification for mixed-mode SPE with strong anion exchange and reversed-phase properties (MAX). Exchange capacity 0.25 meq/g, pKa ~ 18 and RP capacity 350 mg/g (caffeine in water). High-purity material with ideal flow properties and highest reproducibility. Allows highest reproducibility with extremely low blind values due to an optimized production process. Outstanding recovery rates especially for the enrichment of acidic (acids with pKa 2–8) analytes.
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