Solid Phase Extraction
Teledyne ISCO, Inc REDISEP PREPACKED SILICA GEL DISPOSABLE SAMPLE LOAD CARTRIDGES, 2.5 GRAM (PACKAGE OF 20)
Sample load prepacked silica gel Rf cartridges, 2.5 gram, pkg. of 20.
Waters Corp DisQuE 150 mg MgSO4, 25 mg PSA & 25 mg C18, 2 mL Tube, 100/pk
This is clean-up tube is used for the extract from step 1 in QUECHERS CEN Method 15662. This d-SPE tube contains C18 for use with high fat food samples. QUECHERS (pronounced catchers) methods are used for multi-pesticide residue analyses in food . This is a 100 pack of tubes containing the d-SPE components.
Waters Corp Sep-Pak C18 12 cc Vac Cartridge, 2 g Sorbent per Cartridge, 55 - 105 µm, 20/pk
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 in beverages; similar in behavior to reversed-phase HPLC columns.
Waters Corp Sep-Pak Silica 6 cc Vac Cartridge, 1 g Sorbent per Cartridge, 55 - 105 µm, 30/pk
A polar stationary phase, used primarily to adsorb analytes from non-polar solvents like hydrocarbons, chloro- or fluoro-substituted hydrocarbons or less polar esters and ethers. Analyte retention can occur through hydrogen bonding, dipole-dipole interactions or in aqueous samples through cation-exchange.