Produced to ensure dependable processing results, Spe Polypropylene Columns Roti ® X Bond Wcx belong to the ion exchangers for the SPE category within the broader chromatography labware. These open tubular syringe-shaped columns with Luer tip outlets are made of PP material with PE filter elements, offering a specific surface area of 600 m²/g as per BET. Filled with 500 mg of carboxylic acid-modified spherical polystyrene/divinylbenzene copolymer, they function as a weak acidic cation exchanger (mixed mode), making them ideal for the enrichment of strong basic analytes (pKa >10) in samples such as urine, plasma, and serum. With a pH stability range of 1.0-14.0, these columns offer versatile applications while maintaining

• Category: Ion exchangers for the SPE
• Specific surface according to BET: 600 m²/g
• Pore size: 300 Å
• Separation principle: Mixed mode (RP and Ion exchange (IEX))
• Recommended storage temperature: RT
• Packaging: 6 x 5 units
• Similar phases: Oasis ® WCX Strata™-X-CW CHROMABOND ® HR-XCW Copure ® WCX
• Material text: Material: PP columns with PE filter elements.
• pH stability: 1,0-14,0
• Particle type: Fully porous particles (FPP)
• Phase: WCX
• pK: ~5
• Recommended application(s): Strong bases with pK a >10 Basic active ingredients from strongly matrix-contaminated samples like e.g. urine, plasma, serum
• Column type: SPE column
• Column shape: Open tubular syringe-shaped column with Luer tip outlet
• Surface chemistry: Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with carboxylic acid modification, weak mixed mode cation exchanger (WCX)
• Column volume: 6 ml
• Filling quantity: 500 mg
• Particle size: 40 µm