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Supelco

Supel™ QuE QuEChERS tube

PSA Tube, pack of 100, AOAC® 2007.01

Synonym(s):

QuEChERS

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

product name

Supel™ QuE, PSA Tube, pack of 100, AOAC® 2007.01

Agency

AOAC® 2007.01

composition

magnesium sulfate, 150 mg
Supelclean PSA, 50 mg

packaging

pack of 100

technique(s)

QuEChERS: suitable

centrifuge tube volume

2 mL

application(s)

food and beverages

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General description

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.

Legal Information

AOAC is a registered trademark of AOAC International
Supel is a trademark of Sigma-Aldrich Co. LLC

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
17237601
14866301
12587001
11889001
11062501

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Steven J Lehotay et al.
Journal of chromatography. A, 1217(16), 2548-2560 (2010-02-11)
This article describes the comparison of different versions of an easy, rapid and low-cost sample preparation approach for the determination of pesticide residues in fruits and vegetables by concurrent use of gas and liquid chromatography (GC and LC) coupled to
Lijun Han et al.
Analytica chimica acta, 827, 40-46 (2014-05-17)
A new method of sample preparation was developed and is reported for the first time. The approach combines in-vial filtration with dispersive solid-phase extraction (d-SPE) in a fast and convenient cleanup of QuEChERS (quick, easy, cheap, effective, rugged, and safe)
M Picot Groz et al.
The Science of the total environment, 493, 162-169 (2014-06-20)
The UV filters and musk fragrances have come into focus because these compounds are contained and increasingly used not only in sunscreen products but also in many products of daily use, such as cosmetics, skin creams, plastics or varnish. In
Maria Teresa Salles Trevisan et al.
Journal of chromatography. A, 1512, 98-106 (2017-07-20)
An analytical method using a quick, easy, cheap, effective, rugged and safe (QuEChERS) procedure for multi-residue determination of 52 pesticides in coffee leaf extractshas been developed and validated according to SANTE/11945/2015 guidelines. Different sorbent combinations for dispersive solid phase extraction
David Moreno-González et al.
Talanta, 128, 299-304 (2014-07-26)
In this study a fast, selective and sensitive multiresidue method based on QuEChERS methodology has been evaluated and validated for the determination of carbamate pesticides, in edible vegetable oils by UHPLC-MS/MS. A new clean-up sorbent, Supel(TM) QuE Z-Sep(+), has been
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Articles

Improve Pigment Removal and Decrease Matrix Interferences for Pesticide Determination in Oranges Using Supel QuE Z-Sep/C18 QuEChERS Sorbent

The comparison of Supel™ QuE Z-Sep/C18, PSA/C18, and PSA QuEChERS sorbents, in terms of color removal and analyte recovery, is described for the cleanup of oranges prior to pesticide analysis.

Related Content

Supel™ QuE Z-Sep Sorbents for QuEChERS

QuEChERs is a solid phase extraction (SPE) technique for sample preparation. Supelco's innovative Z-Sep and Z-Sep+ sorbents demonstrated here extract more fat and pigment than traditional PSA/C18 phases while showing greater analyte recovery and greater reproducibility.

Chromatograms

application for HPLCapplication for HPLC, application for SPE

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