Sep-Pak Alumina B Plus Long cartridges contain a highly active grade of alumina with a basic surface chemistry. The aluminum oxide surface provides an extremely polar surface for analyte retention and has properties of a Lewis acid. This normal phase sorbent is similar in use to silica; however, it…

Ideal for Flash separations from 10 mg up to 300 g Features For convenient operation and reliable upscaling the complete program of ready-to-use Flash cartridges for the Isco Companion® and other Teledyne Isco CombiFlash® systems, or as stand-alone version for all…

Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene resin for SPE Features Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene copolymer pH stability 1–14 Spherical particles 30 μm or 60 μm (standard) Pore size 65 Å Specific surface…

Solid phase extraction apparatus uses glass vials or tubes for sample collection and concentration. Some sorbents require large desorption volume than small SPE cartridges in such case SPE tubes were used. The barrels are compatible with most vacuum-manifold devices and allow accurate loading of…

Strong quat. ammonium modified polymeric anion exchanger for SPE Features Base material spherical PS/DVB copolymer, pore size 55–65 Å, particle sizes 45 µm or 85 µm (standard) very large specific surface 850 m2/g, pore volume 1.4 cm3/g, pH stability 1–14 …

Affinimip SPE is a selective solid phase extraction based upon molecularly printed polymers (MIP). It combines the advantages of Immune-affinity columns in terms of selectivity and a classic solid phase extraction (SPE) in terms of robustness and costs. This selectivity and robustness combines to…

Connecting kits for CHROMABOND® Flash columns CHROMABOND® Flash Starter Kit consists of: 1/8" PTFE tubing, ID 1.5 mm, length 3 m; 5 x 1/4"-28 PP nuts; 5 x 1/8" ETFE ferrules; 5 x 1/4"-28 nylon unions; 2 x 1/4"-28 PP luer locks female; 1 x 1/4"-28 PP luer…

The 96-well protein precipitation filter plate is ideal for removing precipitated proteins from biological plasma/serum. The plate consists of a 0.2 mum hydrophobic graded filter/frit. Biological plasma is first added to the 96-well plate followed by a protein precipitating agent (e.g.,…

Supelclean(TM) LC-18 SPE tube is used in the extraction of nonpolar to moderately polar analytes from aqueous samples. Legal Information: Supelclean is a trademark of Sigma-Aldrich Co. LLC

Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

Nonpolar SPE columns for acidic, neutral, and basic analyte extraction High surface area and capacity ensure highly reliable retention characteristics No secondary interactions from silanol groups for accurate results Higher sample loading due to high surface area Recover clean…

Columns for gravity flow phase separation Features Automatic separation of a two-phase mixture without separation funnel Two-phase mixtures are completely applied to the column and the phase boundary is determined without further work. The special membrane automatically stops the…

Sep-Pak Accell Plus QMA Carbonate Plus Light cartridges contain a silica-based, hydrophilic, strong anion-exchanger with a large pore size (300Å) and a carbonate counter-ion. These cartridges are used for extraction of anionic analytes in aqueous and non-aqueous solutions when the chloride…

Affinimip SPE is a selective solid phase extraction based upon molecularly printed polymers (MIP). It combines the advantages of Immune-affinity columns in terms of selectivity and a classic solid phase extraction (SPE) in terms of robustness and costs. This selectivity and robustness combines to…

Silica-based bonded phase with strong hydrophobicity; used to adsorb analytes of even weak hydrophobicity from aqueous solutions; typical applications include drugs and their metabolites in serum, plasma or urine, desalting of peptides, trace organics in environmental water samples, organic acids…

Combination phase for SPE of hydrocarbons from water acc. to DIN H53 / ISO DIS 9377-4 Features Special combination phase of sodium sulfate and Florisil® Recommended application: hydrocarbons from drinking, surface and waste waters

Retention Mechanism: Normal phase or Anion-exchangeSample Matrix Compatibility: Organic or aqueous solutions •Polymerically bonded, aminopropyl phase that is very polar in nature (hydrogen bonding) allowing for both normal phase and ion exchange applications •A weak anion exchanger with a pKa of…

Extraction salts are pre-measured and provided in anhydrous packets, so you can conveniently add them after the acetonitrile and improve results Kits available with ceramic homogenizers to facilitate sample homogenization and to break up salt agglomerates more efficiently than shaking by hand;…

Sep-Pak Accell Plus QMA Vac cartridges contain a silica-based, hydrophilic, strong anion-exchanger with large pore size (300Å). The cartridges are designed for extraction of anionic analytes in aqueous and non-aqueous solutions. The large pore size makes it ideal for isolation of larger…

Octadecyl modified silica phase for SPE of polar analytes Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 Special octadecyl phase for polar analytes, not endcapped, carbon content 15 % Recommended…

Ammonium – sulfonic acid modified silica phase for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g zwitterionic polar phase with ammonium – sulfonic acid modification, carbon content 7 %, pH stability 2-8 Polar…

Supelclean(TM) LC-Si SPE Tube is used to adsorb moderately polar to polar compounds from nonaqueous samples. Legal Information: Supelclean is a trademark of Sigma-Aldrich Co. LLC

Special products for determination of pesticides in food samples QuEChERS method and pre-mixes Within a few years after its development by Anastassiades et al. the QuEChERS method has gained a leading position for the determination of pesticide residues in food samples by GC-MS or LC-MS,…

HybridSPE-Phospholipid technology is a simple and generic sample prep platform designed for the gross level removal of endogenous protein and phospholipid interferences from biological plasma and serum prior to LC-MS or LC-MS/MS analysis. Biological plasma or serum is first subjected to protein…

AttractSPE are based upon polymeric sorbents dedicated to sample cleanup for the extraction of compounds from complex matrices. AttractSPE combine the advantages of robustness, simplified method development, wide applicability and are not affected by drying out. The combination of the…

Ideal for Flash separations from 10 mg up to 33 g Features For convenient operation and reliable upscaling the complete program of ready-to-use Flash cartridges for the Isco Companion® and other Teledyne Isco CombiFlash® systems, or as stand-alone version for all…

Empore membrane SPE technology comprises of SPE particles tightly enmeshed within a network of inert PTFE fibrils (90% SPE particles : 10% PTFE, by weight). The SPE-membrane fabrication process results in a highly dense and uniform extraction medium that offers distinct advantages over traditional…

Features Filtration cartridges for sample clarification under vacuum (e.g., using the CHROMABOND® vacuum manifold or SPE automation systems like Gilson Aspec™, Rapidtrace) or by gravity Cartridge sizes 3 mL and 6 mL Different membranes: PET (polyester); RC (regenerated…

Propylsulfonic acid modified silica cation exchanger for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 propylsulfonic acid modified silica very strong cation exchanger (capacity ~ 0.7 meq/g) …