SPE Disks and Cartridges
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Agilent Technologies Bond Elut C18 cartridge, 500 mg, 3 mL, 120 μm, 50 per Pack
The most hydrophobic, bonded silica sorbent in the Bond Elut range. Regarded as having the broadest spectrum of retention among bonded silica sorbents. Extremely retentive for nonpolar compounds.
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Waters Corp Waters Sep-Pak XPoSure Plus Short Cartridge, 350 mg Sorbent, DNPH-coated Silica, 20/pk
This product is designed for monitoring aldehydes in indoor air by trapping them with acidified 2,4-dinitrophenylhydrazine (DNPH) to form stable hydrazone derivatives. These derivatives are then eluted and analyzed using HPLC. It features high-quality packings for sample preparation.
- Quantifies formaldehyde (0.001 to 5 ppmv) in workplace and indoor air.
- High-quality packings for optimal surface area, pore size, and particle distribution.
- Sealed in non-contaminating poly-foil pouches to maintain integrity.
- Suitable for manual and robotic applications.
- Contains acidified 2,4-dinitrophenylhydrazine (DNPH)-coated silica.
- Designed for flow rates up to 1.5 L/min with typical personal pumps.
- Collection efficiency: >95% for sampling rates up to 1.5 L/min.
- Sampling temperature: 10°C to 100°C.
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Waters Corp Waters Vac Cartridge, Aminopropyl (NH2), 6 cc, 1 g Sorbent, 55–105 μm
The Sep-Pak Aminopropyl (NH2) 6 cc Vac Cartridge features a silica-based polar bonded phase with basic character. It functions as a polar sorbent with different selectivity for acidic/basic analytes or as a weak anion exchanger in aqueous media.
- Silica-based polar bonded phase with basic character.
- Can be used as a polar sorbent or weak anion exchanger.
- Applications include phenols, phenolic pigments, petroleum fractionation, saccharides, drugs, and metabolites.
- Each cartridge contains 1 g of sorbent.
- Optimal particle size distribution, pore size, and surface area.
- Packing is clean, dry, and reproducible for uniform results.
- Works best in the 2 to 8 pH range.
- Ships with 300 cartridges per package.
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