Waters, WAT036925, Sep-Pak C18 20 cc Vac Cartridge, 5 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.

Specifications
UNSPSC: 41115712
Brand: Sep-Pak
Product Type: Solid Phase Extraction
Units per Package: 20 pk
Chemistry: C18
Endcapped: Yes
Format: Vac Cartridge
Mass Spec Compatibility: Yes
Mode: Reversed Phase
Particle Size: 55 - 105 µm
Pore Size: 125 Å
Sorbent Substrate: Silica
Sorbent Weight: 5 g
Water Wettable: No
pH Range Min: 2 pH
pH Range Max: 8 pH
Barrel Size: 20 cc
Hold up volume: 8 mL

Additional Information
Sep-Pak C18 20 cc Vac Cartridge, 5 g Sorbent per Cartridge, 55-105 µm, 20/pk Adsorb analytes of weak hydrophobicity from aqueous solutions using the silica-based bonded phase with strong hydrophobicity of the Sep-Pak C18 20 cc Vac Cartridge. The cartridge is similar in behavior to reversed-phase HPLC columns and can be used across a wide range of applications such as drugs and their metabolites in serum, plasma, or urine, desalting of peptides, trace organics in environmental water samples, as well as organic acids in beverages. Depend on the Sep-Pak C18 20 cc Vac Cartridge with confidence for rapid sample preparation. The Sep-Pak sample extraction products offered by Waters have been trusted by separation scientists throughout the world since 1978 as they have the ability to solve important sample preparation problems, making them crucial lab equipment. The Sep-Pak C18 20 cc Vac Cartridge uses a state-of-the-art packing process as well as a precision design that makes it well suited to robotic applications. In addition, these features make manual use even more convenient. You can use the lab equipment to successfully reverse flow direction, which is a useful feature for trace enrichment applications. The cartridge is also suitable for use with liquid and gas samples. Your investment in the Sep-Pak C18 20 cc Vac Cartridge will pay off in many ways, including lowered costs (due to less solvent and reagent consumption), increased recoveries (as minimum sample transfer is required), enhanced safety (by ease of disposal and less exposure to toxic agents), improved accuracy (no cross-contamination), and elimination of emulsion problems (less sample handling and complications). The Sep-Pak C18 20 cc Vac Cartridge can be used to extract your solvents, solutions, and samples with ease and conveniently transfer them without worrying about spillage or sample loss due to evaporation. The Sep-Pak C18 Classic Cartridge is the ideal precision chromatographic tool for sample enrichment and purification. The Sep-Pak Vac Cartridges are available in different formats and volume capacities. You can find the exact one for your analytical needs by browsing through our online store, where you can also shop for lab equipment directly from us. Also explore the Long Needle Valve for Sep-Pak Device Vacuum Manifold, 20/pk .

FAQ
Is LC-MS Quantitative Or Qualitative? LC-MS determinations are quantitative and routinely performed, and they are usually measured with one or a few compounds.