Description
VP 250/21 NUCLEODUR C18 Pyramid, 5 µm is a VarioPrep HPLC separation column built for liquid chromatography where higher sample load is needed. The column measures 250 mm in length with a 21 mm internal diameter and is packed with 5 µm NUCLEODUR C18 Pyramid particles for reversed-phase separations. An axially adjustable end fitting is included to support stable sealing and flexible mounting on preparative HPLC systems. Delivered as a single piece, it suits laboratories performing purification, isolation and scale-up work that benefit from a wider-bore C18 format. The 250 mm × 21 mm geometry provides increased capacity compared with narrower analytical columns while retaining the NUCLEODUR C18 Pyramid chemistry. This VarioPrep column from manufacturer Macherey-Nagel is aimed at pharmaceutical, chemical and life-science environments that require reliable reversed-phase performance. The 5 µm particle size supports efficient mass transfer under standard HPLC operating conditions, making the column a practical choice for routine preparative chromatography tasks.
This article is part of HPLC columns, in HPLC columns & accessories. See also HPLC guard columns.
Key features
- Pack size: 1 pc
- Product type: VarioPrep HPLC separation column
- Stationary phase: NUCLEODUR C18 Pyramid
- Particle size: 5 µm
- Column length: 250 mm
- EAN: 4046681056147
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Questions about VP 250/21 NUCLEODUR C18 Pyramid, 5 µm
What is this article?
VP 250/21 NUCLEODUR C18 Pyramid, 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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