VA HPLC guard column (analytical), NUCLEOGEL SUGAR Ca, 8–10 µm, 21x4 mm

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Delivery time approx. 5 working days

719535 024040300030
Package unit 2 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 NUCLEOGEL
Base material Sulfonated spherical PS/DVB resin
Phase NUCLEOGEL SUGAR Ca
USP listing L19
Surface chemistry Sulfonated spherical polystyrene resin cross-linked with divinylbenzene (PS/DVB), Ca²⁺ 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)
Recommended application(s) Guard column, ideal protection for your main column, HPLC
Endcapped No
Carbon content Not available or proprietary
Pore size 100 Å
Temperature stability (max) 90 °C
Pressure stability (max) 70 bar / 1015 psi
Storage temperature 15–25 °C / 59–77 °F
Scope of delivery 2x analytical HPLC guard columns
Gross weight (incl. packaging) 13.7 g / 0.03 lbs
Packaging dimensions 115 x 60 x 28 mm / 4.53 x 2.36 x 1.10 Inch
Hazardous material No