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Systems, devices, and materials for solid phase extraction (SPE) of analytes from complex liquid or solid matrices, using various sorbents and techniques, in preparation for chromatography; for a variety of sample sizes and types, and formats.
Sep-Pak Alumina N Vac cartridges contain a highly active grade of alumina with a neutral 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 is slightly more stable than unfunctionalized silica under high pH conditions. This neutral alumina is suitable for applications such as synthetic crude oil fractionation. These syringe-barrel-type cartridges are designed for use with vacuum manifolds and automated SPE instruments.
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Polar sorbent, used primarily to adsorb analytes from non polar solvents like hydrocarbons, chloro- or flouro-substituted hydrocarbons or less polar esters and ethers.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More