55228-U
Supel™ QuE QuEChERS tube
PSA Tube, pk of 50, suitable for EN 15662:2008 per BS
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product name
Supel™ QuE, PSA Tube, pk of 50, suitable for EN 15662:2008 per BS
material
polypropylene tube
Quality Level
Agency
suitable for BS EN 15662:2008
product line
Supel™
composition
magnesium sulfate, 900 mg
Supelclean™
PSA, 150 mg (Cat. No. 52738-U)
packaging
pk of 50
technique(s)
QuEChERS: suitable
centrifuge tube volume
15 mL , Greiner Cat. No. 163270
matrix active group
PSA phase
application(s)
food and beverages
separation technique
normal phase
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General description
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.
Application
Suitability
Legal Information
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Certificates of Analysis (COA)
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