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55234-U

Supelco

Supel QuE

Acetate Tube, pk of 50, AOAC® 2007.01

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Synonym(s):
QuEChERS
NACRES:
NB.21

material

polypropylene tube

Quality Level

Agency

AOAC® 2007.01

product line

Supel

composition

magnesium sulfate, 6 g
sodium acetate, 1.5 g (Cat. No. 58750)

packaging

pk of 50

technique(s)

QuEChERS: suitable

centrifuge tube volume

15 mL

application(s)

food and beverages

separation technique

ion exchange

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This Item
55295-U55173-U55176-U
Supelco

Supelco

55234-U

Supel QuE

Supelco

Supelco

55295-U

Supel QuE

Supelco

Supelco

55173-U

Supel QuE

Supelco

Supelco

55176-U

Supel QuE

agency

AOAC® 2007.01

agency

suitable for EPA ACB B21-02, suitable for EPA ACB B23-05b

agency

suitable for BS EN 15662:2008

agency

suitable for BS EN 15662:2008

product line

Supel

product line

Supel

product line

-

product line

Supel

composition

magnesium sulfate, 6 g

composition

magnesium sulfate, 6 g , sodium chloride, 1 1/2 g

composition

Discovery® C18, 25 mg , magnesium sulfate, 150 mg , Supelclean PSA, 25 mg

composition

magnesium sulfate, 150 mg , Supelclean ENVI-Carb, 7.5 mg , Supelclean PSA, 25 mg

packaging

pk of 50

packaging

pk of 50

packaging

pack of 100

packaging

pack of 100

technique(s)

QuEChERS: suitable

technique(s)

QuEChERS: suitable

technique(s)

QuEChERS: suitable

technique(s)

QuEChERS: suitable

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.

Suitability

Suitable for extracting 10-15 g food/agricultural sample. The high level of salts (e.g. magnesium sulfate) is to induce phase separation between the acetonitrile and aqueous sample layer.

Legal Information

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

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Calogero Di Bella et al.
Frontiers in public health, 8, 273-273 (2020-08-01)
Heavy metals and PAHs were measured in animal foodstuffs from Augusta-Melilli-Priolo area in order to evaluate the potential human health risk associated to their consumption. All heavy metals were detected in seafood products while most of them were <LOD 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
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)
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
Yelena Sapozhnikova et al.
Analytica chimica acta, 758, 80-92 (2012-12-19)
A multi-class, multi-residue method for the analysis of 13 novel flame retardants, 18 representative pesticides, 14 polychlorinated biphenyl (PCB) congeners, 16 polycyclic aromatic hydrocarbons (PAHs), and 7 polybrominated diphenyl ether (PBDE) congeners in catfish muscle was developed and evaluated using

Protocols

On Friday, April 27, 2018, the European Union decided to ban the use of three neonicotinoid insecticides from use on field crops, having deemed them dangerous to bees. This application demonstrates the analysis of these banned compounds and others from dandelion blossoms using QuEChERS and LC-MS.

Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.

Related Content

Gas chromatography is a common analytic technique used to separate and analyze volatile compounds in the gas phase. GC is applied in many industries for quality control, and to identify and/or quantify compounds in a mixture.

QuEChERS is a ‘Quick, Easy, Cheap, Effective, Rugged and Safe’ sample cleanup method used to prepare food and agricultural samples for pesticides analysis. QuEChERS is based on the Solid Phase Extraction (SPE) technique of sample preparation.

Chromatograms

application for SPE, suitable for GCsuitable for GC, application for SPE

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