Recommended for applications requiring controlled solvent behavior, Spe Polypropylene Columns Roti ® X Bond Max offer a unique combination of reversed phase and strong anion exchange retention mechanisms. These open tubular syringe-shaped columns with Luer tip outlets, filled with hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with quaternary ammonium modification, are particularly effective in the enrichment of acidic analytes (pKa 2-8). With a specific surface area of 300 m²/g according to BET, these columns are ideal for separating acidic active ingredients from strongly matrix-contaminated samples such as urine, plasma, serum, and phenolic acids. They come packaged in sets of four containing five units each, with a filling quantity of 500mg per column and

• Category: Ion exchangers for the SPE
• Separation principle: Mixed mode (RP and Ion exchange (IEX))
• Recommended storage temperature: RT
• Particle type: Fully porous particles (FPP)
• pH stability: 1,0-14,0
• Recommended application(s): acidic active ingredients from strongly matrix-contaminated samples like e.g. urine, plasma, serum phenolic acids acidic herbicides
• Surface chemistry: Hydrophobic spherical polystyrene-divinylbenzene copolymer (PS/DVB) with quaternary ammonium modification, very strong mixed mode anion exchanger (MAX)
• Packaging: 4 x 5 units
• Similar phases: Strata™ XA Oasis ® MAX Supel™-Select SAX Bond Elut™ Plexa PAX CHROMABOND ® HR-XA Copure ® MAX HyperSep™ Retain AX Styre Screen ® QAX
• Column shape: Open tubular syringe-shaped column with Luer tip outlet
• Specific surface according to BET: 300 m²/g
• Material text: Material: PP columns with PE filter elements.
• Phase: MAX
• Column volume: 12 ml
• Pore size: 300 Å
• pK: ~18
• Particle size: 40 µm
• Column type: SPE column
• Filling quantity: 500 mg