EC HPLC column (analytical), NUCLEODEX ALPHA-PM, 5 µm, 200x4 mm
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Cyclodextrin-modified silica phases for HPLC enantiomer separation. For all permethylated phases the ability to form hydrogen bonds is reduced, the hydrophobicity of the phase is increased compared to β‑OH, resulting in shorter retention times.
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| Base material | NUCLEOSIL - the standard silica |
|---|---|
| Brand | NUCLEODEX |
| Carbon content | Not available or proprietary |
| Column inner diameter | 4 mm |
| Column length | 200 mm |
| Column volume | 2.5 mL |
| Eluent in HPLC column | CH₃OH (methanol) – 50 mmol/L phosphate, pH 3 (70/30, v/v) |
| Endcapped | No |
| Gross weight (incl. packaging) | 227.74 g / 0.5 lbs |
| Hardware | Stainless steel |
| Hazardous material | No |
| Method | HPLC, analytical |
| Mode | Special application or diverse |
| Packaging dimensions | 400 x 115 x 54 mm / 15.75 x 4.53 x 2.13 Inch |
| Particle shape | Spherical |
| Particle size | 5 µm |
| Particle type | Fully porous particles (FPP) |
| pH stability | 3.0–8.0 |
| Phase | NUCLEODEX ALPHA-PM |
| Pore size | 100 Å |
| Pressure stability (max) | 400 bar / 5800 psi |
| Recommended application(s) | Carboxylic acids, Chiral, enantiomers, Dichlorprop, HPLC, Mecoprop, Styrene oxide, trans-stilbene oxide |
| Scope of delivery | 1x analytical HPLC column, instruction leaflet, certificate of analysis |
| Specific surface according to BET | 350 m²/g |
| Storage temperature | 15–25 °C / 59–77 °F |
| Surface chemistry | Permethylated α-cyclodextrin (chiral selector) modification |
| Temperature stability (max) | 50 °C |
| Type | EC HPLC column (analytical) |
| USP listing | Not available or proprietary |