Description
VP 250/21 NUCLEODUR PolarTec, 5 µm is a VarioPrep HPLC separation column intended for preparative liquid chromatography with polar stationary-phase selectivity. It measures 250 mm in length with an internal diameter of 21 mm and is packed with 5 µm NUCLEODUR PolarTec material. The design includes an axially adjustable endfitting to support bed compression and stable packing performance under preparative operating conditions. Supplied as a single column per pack, this unit from manufacturer Macherey-Nagel suits laboratories that rely on VarioPrep hardware for higher-load separations. The wider 21 mm internal diameter increases cross-sectional area relative to narrower VarioPrep formats, which is useful when sample throughput and load capacity are priorities. Combined with the 250 mm bed length and 5 µm PolarTec packing, the column offers a defined polar-phase option on the NUCLEODUR platform. The axially adjustable endfitting aids consistent column handling and helps preserve chromatographic performance during routine preparative HPLC work on compatible VarioPrep systems.
This article is part of HPLC columns, in HPLC columns & accessories. See also HPLC guard columns.
Key features
- Pack size: 1 pc
- Column type: VarioPrep HPLC separation column
- Length: 250 mm
- Inner diameter: 21 mm
- Particle size: 5 µm
- EAN: 4046681056307
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Questions about VP 250/21 NUCLEODUR PolarTec, 5 µm
What is this article?
VP 250/21 NUCLEODUR PolarTec, 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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