SPE column, CHROMABOND HR-XA, 45 µm, 3 mL/60 mg
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State-of-the-art spherical polymer for highest demands in solid phase extraction. PS/DVB copolymer with quaternary ammonium modification for mixed-mode SPE with strong anion exchange and reversed-phase properties (MAX). Exchange capacity 0.25 meq/g, pKa ~ 18 and RP capacity 350 mg/g (caffeine in water). High-purity material with ideal flow properties and highest reproducibility. Allows highest reproducibility with extremely low blind values due to an optimized production process. Outstanding recovery rates especially for the enrichment of acidic (acids with pKa 2–8) analytes.
| Base material | PS/DVB copolymer |
|---|---|
| Brand | CHROMABOND |
| Carbon content | Not available or proprietary |
| Column shape | Open tubular syringe-shaped column with Luer tip outlet |
| Column type | SPE column |
| Column volume | 3 mL |
| Column volume/adsorbent weight | 3 mL/60 mg |
| Endcapped | No |
| Filling quantity | 60 mg |
| Filter element material | Polyethylene (PE) |
| Gross weight (incl. packaging) | 169 g / 0.37 lbs |
| Hardware | Polypropylene (PP) columns with polyethylene (PE) filter elements |
| Hazardous material | No |
| Method | Solid phase extraction (SPE) |
| Mode | Mixed mode (RP and Ion exchange (IEX)) |
| Packaging dimensions | 145 x 145 x 102 mm / 5.71 x 5.71 x 4.02 Inch |
| Particle shape | Spherical |
| Particle size | 45 µm |
| Particle type | Fully porous particles (FPP) |
| pH stability | 1.0–14.0 |
| Phase | HR-XA |
| Recommended application(s) | Acidic active ingredients from strongly matrix-contaminated samples, Acidic herbicides, Acids with pKa 2–8, Phenolic acids |
| Scope of delivery | 30x (6x5 in aluminum bags each) SPE columns, certificate of analysis |
| Specific surface according to BET | 850 m²/g |
| Storage temperature | 15–25 °C / 59–77 °F |
| Surface chemistry | Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with quaternary ammonium modification, very strong mixed mode anion exchanger (MAX) |
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