EC HPLC guard column (analytical), UNIVERSAL RP, 4x3 mm
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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.
| Base material | Silica gel |
|---|---|
| Brand | UNIVERSAL |
| Carbon content | Not available or proprietary |
| Column inner diameter | 3 mm |
| Column length | 4 mm |
| Eluent in HPLC column | Acetonitrile – water |
| Endcapped | Yes |
| Gross weight (incl. packaging) | 22.5 g / 0.05 lbs |
| Hardware | Stainless steel |
| Hazardous material | No |
| Method | HPLC, analytical |
| Mode | Reversed phase (RP) |
| Packaging dimensions | 115 x 60 x 28 mm / 4.53 x 2.36 x 1.10 Inch |
| Particle shape | Spherical |
| Particle size | Not available or proprietary |
| Particle type | Fully porous particles (FPP) |
| pH stability | 2.0–8.0 |
| Phase | UNIVERSAL RP |
| Pressure stability (max) | 400 bar / 5800 psi |
| Recommended application(s) | Guard column, ideal protection for your main column, HPLC |
| Scope of delivery | 3x analytical HPLC guard columns |
| Specific surface according to BET | Not available or proprietary |
| Storage temperature | 15–25 °C / 59–77 °F |
| Surface chemistry | Not available or proprietary |
| Temperature stability (max) | 60 °C |
| Type | EC HPLC guard column (analytical) |
| USP listing | Not available or proprietary |
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