Unmodified, weakly acidic silica, very polar. Adsorbs humidity from air, for this reason it should be kept well closed and if necessary dried before use. Due to its high affinity for polar compounds it should not be conditioned with polar (e.g., methanol) or water-containing solvents.
| Method | Solid phase extraction (SPE) |
| Brand | CHROMABOND |
| Phase | SiOH |
| Mode | Normal phase (NP) |
| Base material | Silica gel |
| Surface chemistry | Unmodified silica gel (SiOH) |
| Endcapped | No |
| Column type | SPE glass column |
| Hardware | Glass columns (borosilicate type I) with glass fiber (GF) filter elements |
| Column shape | Open tubular syringe-shaped column with Luer tip outlet |
| Recommended application(s) | Aflatoxins, Chloramphenicol, Pesticides, Steroids, Vitamins |
| Particle type | Fully porous particles (FPP) |
| Particle size | 45 µm |
| Particle shape | Irregular |
| Specific surface according to BET | 500 m²/g |
| pH stability | 2.0–8.0 |
| Filter element material | Glass fiber (GF) |
| Storage temperature | 15–25 °C / 59–77 °F |
| Scope of delivery | 50x (10×5 in aluminum bags each) SPE columns, certificate of analysis |
| Hazardous material | No |
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