SPE Disks and Cartridges
Waters Corp Waters Sep-Pak Alumina N Classic Cartridge, 1850 mg, 50 to 300 μm
Sep-Pak Alumina N Classic cartridges contain a highly active alumina with neutral surface chemistry. Its aluminum oxide surface offers extreme polarity for analyte retention, functioning as a Lewis acid. This normal phase sorbent is more stable than silica under high pH, suitable for applications like synthetic crude oil fractionation.
- Extremely polar aluminum oxide surface for analyte retention; acts as a Lewis acid.
- Enhanced stability over silica in high pH conditions.
- Compatible with Luer-tip syringe positive displacement and vacuum-assisted flow devices.
- Ensures reproducible separations and superior ultra-low level analyte detection.
- Minimizes background interferences.
- Key specs: 50 to 300 μm particle size, 120 Å pore size, 1850 mg sorbent weight, water wettable, pH 0 to 10.
- Supports 1.8 mL hold up volume.
Waters Corp Waters Sep-Pak C18 Plus Short Cartridge, 360 mg Sorbent, 55–105 μm
This solid phase extraction cartridge with 360 mg of C18 sorbent (55–105 μm particle size) is designed for sample preparation. It adsorbs analytes of even weak hydrophobicity from aqueous solutions, functioning similarly to reversed-phase HPLC columns.
- Silica-based bonded phase with strong hydrophobicity.
- Suitable for robotic and manual applications.
- Allows flow direction reversal for trace enrichment.
- Reduces costs by consuming less solvent and reagent.
- Increases recoveries through minimum sample transfer.
- Enhances safety by easing disposal and reducing toxic exposure.
- Improves accuracy, preventing cross-contamination.
- Eliminates emulsion issues with simplified sample handling.
- Designed for retaining non-polar and moderately polar compounds.
- Compatible with various solvents like methanol, acetonitrile, and aqueous solutions.
Waters Corp Waters Sep-Pak Vac Cartridge, Alumina B, 3 cc, 500 mg
Sep-Pak Alumina B Vac cartridges offer highly active alumina with basic surface chemistry for polar analyte retention. This normal phase sorbent is more stable than silica under high pH and acts as a low–capacity ion exchanger. Designed for vacuum manifolds and automated SPE instruments.
- Highly active alumina with basic surface chemistry for polar analyte retention
- More stable than silica under high pH; functions as low–capacity ion exchanger
- Extracts phospholipids, steroids, and catecholamines
- Unaffected by high–energy radioactivity, suitable for radioactive compound isolation
- Solid Phase Extraction (SPE) vac cartridge, normal–phase mode
- Sorbent weight: 500 mg; Barrel size: 3 cc
- Particle size: 50 – 300 μm; pH range: 0 to 10
- Mass spec compatible and water wettable
Waters Corp Sep-Pak Aminopropyl (NH2) Classic Cartridge, 360 mg, 55 to 105 μm
These Sep-Pak Aminopropyl (NH2) Classic cartridges provide a moderately polar, silica-based bonded phase with a weakly basic surface. They function as polar sorbents or weak anion exchangers (below pH 8), ideal for extracting various analytes including phenols, saccharides, drugs, and metabolites.
- Moderately polar, silica-based bonded phase with a weakly basic surface
- Functions as a polar sorbent or weak anion exchanger (below pH 8)
- Suitable for extracting phenols, phenolic pigments, petroleum fractionation, saccharides, drugs, and metabolites
- Designed for positive displacement with Luer-tip syringes
- Attachable to vacuum-assisted flow devices with a male/male adaptor
Waters Corp Waters Vac Cartridge, Aminopropyl (NH2), 6 cc, 500 mg Sorbent, 55-105 μm
These Vac cartridges feature a moderately polar, silica-based bonded phase with a weakly basic surface. The sorbent can be used as a polar sorbent for acidic/basic analytes or as a weak anion exchanger. Designed for vacuum manifolds and automated SPE instruments, applications include extraction of phenols, petroleum fractionation, saccharides, and drugs.
- Facilitates easy extraction and transfer of solvents, solutions, and samples, preventing spillage or loss.
- Acts as a precision chromatographic tool for sample enrichment and purification.
- Features high-quality packing materials that are clean, dry, and reproducible with optimal characteristics.
- Product integrity ensured by delivery sealed in a non-contaminating poly-foil pouch.
- Equipped with a 20 μm frit, offering excellent solvent resistance, low extractables, and depth filtration.
- Functions optimally within a 2 to 8 pH range.
Waters Corp WATERS CORPORATION Cartridge, Weak Cation eXchange, 3 cc/60 mg, 30 μm Particle Size, Flangeless
WATERS CORPORATION Cartridge, Weak Cation eXchange, 3 cc/60 mg, 30 μm Particle Size, Flangeless
Waters Corp Vac Cartridge, Alumina A 500 mg, 3 cc, 50 to 300 μm
Waters Sep-Pak Alumina A Vac cartridges are ideal for normal-phase separations and radioactive compound isolation. They feature a highly active, acidic alumina sorbent that provides an extremely polar surface for analyte retention. These cartridges also offer enhanced stability under high pH conditions and can function as low-capacity ion exchangers.
- Highly active grade of alumina with acidic surface chemistry.
- Aluminum oxide surface provides an extremely polar surface for analyte retention.
- Acts as a Lewis acid for diverse applications.
- More stable than unfunctionalized silica under high pH conditions.
- Functions as a low-capacity ion exchanger in aqueous media.
- Unaffected by high-energy radioactivity, suitable for radioactive compound isolation.
- Syringe-barrel design for use with vacuum manifolds and automated SPE instruments.
Waters Corporation Oasis HLB Plus Short Cartridge, 225 mg Sorbent, 60 μm, Reversed Phase
Oasis HLB Plus Short cartridges use Oasis HLB, a universal polymeric reversed-phase sorbent, for extracting diverse compounds from various matrices. Water wettable, ensures high retention and recovery even if dry. With 60 μm particle size, they suit viscous samples and integrate easily with pumps, syringes, or vacuum-assisted and automated systems.
- Oasis HLB, universal polymeric reversed-phase sorbent.
- Water wettable for consistent retention, even when dry.
- Sorbent weight: 225 mg; Particle size: 60 μm.
- Chemistry: HLB; Mode: Reversed Phase.
- Pore size: 80 Å; Substrate: Copolymer.
- pH range: 0–14; Material: Polypropylene.
- Package includes 50 cartridges.
- Extracts acidic, basic, and neutral compounds.
- Compatible with positive-pressure, vacuum-assisted systems.
- Improved recovery and reproducibility via enhanced retention.