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MilliporeSigma™ Supelco™ Supel™ QuE Verde Centrifuge Tube

Solid phase extraction (SPE) is a technique commonly used in laboratories to isolate analytes of interest from complex matrices.

$561.83 - $566.74


Column Phase ENVI-Carb Y/PSA
Product Line Supel
Column Type SPE
For Use With (Application) Food and Beverages
Type SPE Column
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Products 2
Catalog Number Mfr. No. Volume (Metric) Quantity Price Quantity  
Catalog Number Mfr. No. Volume (Metric) Quantity Price Quantity  
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MilliporeSigma™ Supelco™
2 mL 100/Pk.
Each for $561.83
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MilliporeSigma™ Supelco™
15 mL 50/Pk.
Each for $566.74


Dispersive SPE (dSPE), often referred to as the 'QuEChERS' method (Quick, Easy, Cheap, Effective, Rugged, and Safe), is modern sample prep technique that is becoming increasingly popular in the area of multi-residue pesticide analysis in food and agricultural products. Using the QuEChERS method, food/agricultural samples are first extracted with an aqueous miscible solvent (e.g., acetonitrile) in the presence of high amounts of salts (e.g., sodium chloride and magnesium sulfate) and/or buffering agents (e.g. citrate) to induce liquid phase separation and stabilize acid and base labile pesticides, respectively. Upon shaking and centrifugation, an aliquot of the organic phase is subjected to further cleanup using SPE. Unlike traditional methods using SPE tubes, in dispersive SPE, cleanup is facilitated by mixing bulk amounts of SPE (e.g., Supelclean PSA, ENVI-Carb, and/or Discovery DSC-18) with the extract. After sample cleanup, the mixture is centrifuged and the resulting supernatant can either be analyzed directly or can be subjected to minor further treatment before analysis. Supelco carries a line of vials and centrifuge tubes containing pre-determined amounts of salts and SPE sorbents to support the most common method configurations used today.


SPE Column
Food and Beverages

Supel is a trademark of Sigma-Aldrich Co. LLC