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The Shodex GPC KF-402.5HQ GPC column 250x4.6mm, 3µm, consists of a porous, spherical styrene-divinylbenzene gel with a nominal pore size of 300 Å. With THF as the primary mobile phase, Shodex GPC KF-402.5HQ covers a typical molecular weight range determined with polystyrene standards of approx. 300 to 10,000 Da. The intermediate-pore material combines high throughput with fine molecular-weight differentiation. Size separation occurs without chemical interaction via the accessible pore volume of the polymer gel. Typical applications of Shodex GPC KF-402.5HQ are low-molecular-weight polymers and oligomers; the practically usable range depends on polymer structure, eluent and calibration.
The Shodex GPC product family is based on porous, spherical styrene-divinylbenzene gels. Defined single-pore, linearized multi-pore materials, and mixed gels cover a wide range of molecular weight distributions. The KF series is primarily intended for THF, while the KD series is designed for DMF and polar organic eluents. HK, LF, and HQ columns are designed for fast or highly efficient analyses. Preparative K, KF, and H formats transfer pore selectivity to higher loadings. Molecular weight ranges always depend on the polymer structure, solvent, and calibration standard.
Shodex is a registered trademark of Resonac Corporation, Tokyo, Japan. GPC is a product line within the Shodex portfolio.
| Flow Rate [ml/min] | 0.2 to 0.3 |
|---|---|
| Brand | GPC |
| Product Type | SEC/GPC Columns |
| Length | 250 mm |
| Internal Diameter | 4.6 mm |
| Particle Size | 3 µm |
| Chemistry Producers Term | KF |
| Pore Size | 300 Ã… |
| USP Class | L21 |
| Country of Origin | Japan |
| Column Type | Analytical Column |
| Lower Molecular Weight | 300 (PS) |
| Upper Molecular Weight | 10.000 (PS) |
| Exclusion Limit | 20.000 (PS) |
| Solvent | THF |
| Base Material | Styrene-divinylbenzene |
| Hardware Material | Stainless Steel |
| Hardware Type | Ready-to-use Column |
| Temperature Maximum [°C] | 45 |
| Mode of Separation | SEC / Organic Size Exclusion Chromatography (GPC) |
| Technology | HPLC |
| Matrix | Polymer |
| Particle Morphology | spherical, fully porous |
| Number Theoretical Plates | ≥ 25,000 |
| Pressure Stability | 70 bar |