EC HPLC guard column (analytical), NUCLEODEX ALPHA-PM, 5 µm, 4x3 mm

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Delivery time approx. 5 working days

721469.30 02402027801010
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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 NUCLEODEX
Base material NUCLEOSIL - the standard silica
Phase NUCLEODEX ALPHA-PM
USP listing Not available or proprietary
Surface chemistry Permethylated α-cyclodextrin (chiral selector) modification
Mode Special application or diverse
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 CH₃OH (methanol) – 50 mmol/L phosphate, pH 3 (70/30, v/v)
Recommended application(s) Guard column, ideal protection for your main column, HPLC
Endcapped No
Carbon content Not available or proprietary
pH stability 3.0–8.0
Pore size 100 Å
Specific surface according to BET 350 m²/g
Temperature stability (max) 50 °C
Pressure stability (max) 400 bar / 5800 psi
Storage temperature 15–25 °C / 59–77 °F
Scope of delivery 1x analytical HPLC guard column
Gross weight (incl. packaging) 21 g / 0.05 lbs
Packaging dimensions 115 x 60 x 28 mm / 4.53 x 2.36 x 1.10 Inch
Hazardous material No