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Catalog No. MN719600
Part No. 719600
Supplier MACHEREY‑NAGEL
VA HPLC guard column (analytical), NUCLEOGEL SAX, 8 µm, 5x3 mm
Net Price
Special offer
Availability

6 weeks

PROPERTIES
  • Recommended application(s)
    Guard column, ideal protection for your main column, HPLC
  • Storage temperature
    RT
  • Scope of delivery
    2x analytical HPLC guard columns
  • Hazardous material
    No
  • Method
    HPLC, analytical
  • Brand
    NUCLEOGEL
  • Base material
    Polymer-based
  • Phase
    NUCLEOGEL SAX
  • USP listing
    L23
  • Surface chemistry
    Polymer-based strongly basic anion exchanger -N+(CH3)3, gel matrix quaternized PEI
  • Mode
    Ion exchange (IEX)
  • Type
    VA HPLC guard column (analytical)
  • Hardware
    Stainless steel
  • Column length
    5 mm
  • Column inner diameter
    3 mm
  • Particle type
    Fully porous particles (FPP)
  • Particle shape
    Spherical
  • Particle size
    8 µm
  • Eluent in HPLC column
    0.1 mol/L Na₂SO₄ (sodium sulfate) + 0.02 % NaN₃ (sodium azide)
  • Endcapped
    No
  • Carbon content
    Not available or proprietary
  • pH stability
    1.0–14.0
  • Pore size
    1000 Å
  • Pressure stability (max)
    200 bar
DESCRIPTION
For protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary phase) and this can result in shorter column life. If you want to prolong the lifetime of your main column, then these short columns can help you.
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