EC HPLC guard column (analytical), NUCLEOSIL 100-5 SA, 5 µm, 4x3 mm

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Delivery time approx. 5 working days

721024.30 024020272050
Package unit 3 Piece(s)
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For protection of your main HPLC column from contamination, it is recommended to use guard... more

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.

Method HPLC, analytical
Brand NUCLEOSIL
Base material NUCLEOSIL - the standard silica
Phase NUCLEOSIL 100-5 SA
USP listing L9
Surface chemistry Sulfonic acid (strong acidic cation exchanger - SCX) modification
Mode Ion exchange (IEX)
Type EC HPLC guard column (analytical)
Hardware Stainless steel
Column length 4 mm
Column inner diameter 3 mm
Particle type Fully porous particles (FPP)
Particle shape Spherical
Particle size 5 µm
Eluent in HPLC column 0.15 mol/L (NH₄)₂HPO₄ (diammonium hydrogen phosphate), pH 5
Recommended application(s) Guard column, ideal protection for your main column, HPLC
Endcapped No
Carbon content 6.5 %
pH stability 2.0–8.0
Pore size 100 Å
Specific surface according to BET 350 m²/g
Temperature stability (max) 60 °C
Pressure stability (max) 400 bar / 5800 psi
Storage temperature 2–8 °C / 36–46 °F
Scope of delivery 3x analytical HPLC guard columns
Gross weight (incl. packaging) 23 g / 0.05 lbs
Packaging dimensions 115 x 60 x 28 mm / 4.53 x 2.36 x 1.10 Inch
Hazardous material No