Description
VP 250/21 NUCLEODUR C18 Gravity, 5 µm is a VarioPrep HPLC separation column intended for preparative liquid chromatography. The column measures 250 mm in length with an internal diameter of 21 mm and is packed with NUCLEODUR C18 Gravity stationary phase at a 5 µm particle size, supporting reversed-phase separations with higher sample loading capacity. An axially adjustable endfitting enables secure installation and reliable sealing in preparative HPLC systems. Supplied as one piece, this format suits scale-up work, purification, and method transfer where robust C18 selectivity is required. The NUCLEODUR C18 Gravity chemistry from manufacturer Macherey-Nagel is established for a wide range of analytes in research and production laboratories. Its VarioPrep design integrates into preparative workflows that need larger internal diameters for efficient isolation and fractionation. Laboratories use this configuration for demanding chromatographic tasks that combine mechanical stability with consistent reversed-phase performance across preparative HPLC setups.
This article is part of HPLC columns, in HPLC columns & accessories. See also HPLC guard columns.
Key features
- Pack size: 1 pc
- Column length: 250 mm
- Internal diameter: 21 mm
- Particle size: 5 µm
- Stationary phase: NUCLEODUR C18 Gravity
- EAN: 4046681056475
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Questions about VP 250/21 NUCLEODUR C18 Gravity, 5 µm
What is this article?
VP 250/21 NUCLEODUR C18 Gravity, 5 µm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in HPLC columns, inside HPLC columns & accessories, in Chromatography equipment.
An HPLC column is specified by the stationary phase, the particle size, the length and the internal diameter. A C18, 5 µm, 150 × 4.6 mm column is a different article from a C18, 3 µm, 100 × 2.1 mm column. The smaller bore belongs on a lower flow. A column has a direction and a pH range.
An HPLC column is a tube packed, or coated, with a stationary phase. The sample is carried through it by a liquid, and the compounds leave at different times. The phase, the particle size, the length and the internal diameter decide the separation. A guard column is a short sacrificial piece in front of the analytical column. Fittings and tubing have a bore that either preserves the peak or smears it. Compound names follow IUPAC. Data are on PubChem. Method grades often cite the European Pharmacopoeia or USP.
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Shelves beside this one are HPLC fittings, tubing & inline filters, HPLC guard columns and HPLC accessories.
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