Documents
55174-U
Supel™ QuE
PSA/ENVI-Carb™ (EN) Cleanup Tube 1, pack of 100, suitable for EN 15662:2008 per BS
Recommended Products
Agency
suitable for BS EN 15662:2008
Quality Level
composition
magnesium sulfate, 150 mg
Supelclean™ ENVI-Carb™, 2.5 mg
Supelclean™ PSA, 25 mg
packaging
pack of 100
technique(s)
QuEChERS: suitable
centrifuge tube volume
2 mL
application(s)
food and beverages
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Related Categories
1 of 4
This Item | 55176-U | 55173-U | 55172-U |
|---|---|---|---|
| composition magnesium sulfate, 150 mg | composition magnesium sulfate, 150 mg , Supelclean™ ENVI-Carb™, 7.5 mg , Supelclean™ PSA, 25 mg | composition Discovery® C18, 25 mg , magnesium sulfate, 150 mg , Supelclean™ PSA, 25 mg | composition magnesium sulfate, 150 mg , Supelclean™ PSA, 25 mg |
| packaging pack of 100 | packaging pack of 100 | packaging pack of 100 | packaging pack of 100 |
| technique(s) QuEChERS: suitable | technique(s) QuEChERS: suitable | technique(s) QuEChERS: suitable | technique(s) QuEChERS: suitable |
| centrifuge tube volume 2 mL | centrifuge tube volume 2 mL | centrifuge tube volume 2 mL | centrifuge tube volume 2 mL |
| application(s) food and beverages | application(s) food and beverages | application(s) food and beverages | application(s) food and beverages |
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.
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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