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Catalog No. MN719536
Part No. 719536
Supplier MACHEREY‑NAGEL
VA HPLC guard column (analytical), NUCLEOGEL SUGAR Na, 8-10 µm, 21x4 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
    Sulfonated spherical PS/DVB resin
  • Phase
    NUCLEOGEL SUGAR Na
  • USP listing
    L58
  • Surface chemistry
    Sulfonated spherical polystyrene resin cross-linked with divinylbenzene (PS/DVB), Na⁺ form
  • Mode
    Special application or diverse
  • Type
    VA HPLC guard column (analytical)
  • Hardware
    Stainless steel
  • Column length
    21 mm
  • Column inner diameter
    4 mm
  • Particle type
    Fully porous particles (FPP)
  • Particle shape
    Spherical
  • Particle size
    8–10 µm
  • Eluent in HPLC column
    Demineralized water + 0.02 % NaN₃ (sodium azide)
  • Endcapped
    No
  • Carbon content
    Not available or proprietary
  • Pore size
    100 Å
  • Temperature stability (max)
    90 °C
  • Pressure stability (max)
    70 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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