Description
Guard column EC 4/2 UNIVERSAL RP is a reversed-phase HPLC guard cartridge intended for main columns with an internal diameter of 2 mm. Supplied as a pack of 3 units, it protects analytical columns from particulates and strongly retained sample components, helping extend column lifetime and maintain stable chromatographic performance. The UNIVERSAL RP chemistry is designed for broad reversed-phase compatibility in liquid chromatography workflows, including routine HPLC method development and sample analysis. These guard columns from manufacturer MACHEREY-NAGEL fit EC-format systems matched to 2 mm ID main columns and are a practical consumable for laboratories running frequent injections or complex matrices. Using a dedicated guard stage reduces contamination of the analytical bed and supports more consistent retention and peak shape over time. The three-piece pack suits method setup, spare stock and parallel instrument lines without over-ordering bulk hardware.
This article belongs on HPLC guard columns, in HPLC columns & accessories.
Key features
- Pack size: 3 pc(s)
- Type: HPLC guard column
- Model: EC 4/2 UNIVERSAL RP
- Phase: UNIVERSAL RP (reversed phase)
- For main columns: ID 2 mm
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Questions about Guard column EC 4/2 UNIVERSAL RP, for main columns with ID 2 mm, 3 unit(s)
What is this article?
Guard column EC 4/2 UNIVERSAL RP, for main columns with ID 2 mm, 3 unit(s) is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in HPLC guard columns, inside HPLC columns & accessories, in Chromatography equipment.
A guard column is a short column of the same phase as the analytical column, placed in front of it to catch particles and compounds that would stick forever. It is meant to be replaced. A guard of a different phase changes the separation. The holder and the cartridge are often separate parts.
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.
Which category should I open next?
The category is HPLC columns & accessories. The sub-category is HPLC guard columns. The catalogue is Chromatography equipment.
Shelves beside this one are HPLC columns, HPLC fittings, tubing & inline filters and HPLC accessories.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.