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Supported Liquid Extraction Columns, Resins & Accessories

EXtrelut® NT pre-packed columns for the extraction of lipophilic compounds from aqueous solutions

Liquid-Liquid extraction (LLE) is a solvent extraction process that separates an analyte by transferring it from one immiscible solvent to another solvent using a separatory funnel. Supported liquid extraction (SLE) is a type of LLE process in which a polar solid media acts as solvent support.

Sample preparation is a vital and time-consuming analysis step and selective sample preparation is essential to exploit the benefits offered by advanced analytical instruments. However, the classical LLE approach can be time-consuming due to the formation of emulsions, poor phase separation, and high-volume solvent consumption.

Our EXtrelut® sorbents and liquid-liquid extraction columns offer more efficient LLE, particularly for sample preparation of aqueous matrices. EXtrelut® NT sorbent simplifies LLE by replacing the separatory funnel. This emulsion-free, single-step process is easy to handle and efficient in solvent consumption and provides material and time savings in comparison to classical funnel separation.

EXtrelut® NT sorbent is utilized in sample preparation for the clinical, diagnostics, food, and beverage industries, in addition to industrial, domestic, and waste-water analysis.

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EXtrelut® NT pre-packed columns

We offer three EXtrelut® NT pre-packed columns for the extraction of lipophilic compounds from aqueous solutions based on the sample volume. EXtrelut® NT1 can hold a maximum of 1 mL. The EXtrelut® NT3 and EXtrelut® NT20 can hold up to 3 mL and 20 mL, respectively. In this column, elution is carried out with 2-3 times the sample volume.

EXtrelut® NT bulk packing material & refill packs for SLE

EXtrelut® NT packing material is available for the preparation of large-volume extraction columns. Additionally, we provide EXtrelut® NT refill packs for refilling EXtrelut® NT20 columns.

EXtrelut® NT accessories

We also offer EXtrelut® NT accessories, such as collection tubes with screw caps and cannulae with Luer tip for EXtrelut® NT1 and EXtrelut® NT3 glass columns. Replacement filters are also available for all three EXtrelut® NT pre-packed columns.

Related Resources

  • Brochure: Solid Phase Extraction

    Solid phase extraction is a form of digital (on/off) chromatography designed to extract, partition and/ or adsorb one or more components from a liquid phase (sample) onto stationary phase (sorbent or resin). Over the last twenty five years, SPE has become the most powerful technique available for rapid and selective sample preparation (prep) prior to analytical chromatography.

  • Replace Classical Liquid-Liquid Extractions with EXtrelut® NT

    Simplify your liquid-liquid extractions with our emulsion-free supported-liquid extraction (SLE) single step solution.

Related Product Categories
Solid Phase Extraction (SPE) and QuEChERS
Discover our range of solid phase extraction products for rapid and accurate analytical sample preparation to ensure effective and reliable chromatographic analysis. They include SPE cartridges, plates, extraction tubes and dispersive SPE tools, and accessories
HPLC Columns
Achieve precise separations with our extensive HPLC column collection. Enhance retention, resolution, and selectivity. Order today.
Related Applications
Solid Phase Extraction (SPE)
Solid phase extraction purifies samples for chromatographic analysis, improving data quality and protecting analytical columns.
Large Molecule HPLC
HPLC separates and identifies large biomolecules like proteins and peptides by pumping the sample through a sorbent-packed column.
Small Molecule HPLC
Small molecules are ions and compounds of molecular weight typically less than 900 daltons. These compounds can be effectively separated and analyzed by HPLC, UHPLC and LC-MS using mainly silica particles or monolithic stationary phases with a broad range of column chemistries (modifications).
Liquid Chromatography at Low Pressures
Low pressure liquid chromatography (LPLC) is a chromatographic technique that operates at low pressures to drive the mobile phase onto the column containing a stationary phase by the action of a pump.

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