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55284-U

Supelco

Supel QuE QuEChERS tube

Z-Sep/C18 Tube, centrifuge tube volume 2 mL, pack of 100

Synonym(s):

QuEChERS

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About This Item

UNSPSC Code:
41115712
NACRES:
NB.21

product name

Supel QuE, Z-Sep/C18 Tube, centrifuge tube volume 2 mL, pack of 100

Quality Level

composition

Discovery® DSC-18, 50 mg
Z-Sep, 20 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

SupelQuE Z-Sep/C18 enhances sample cleanup for complex matrices by effectively removing more fat and color from sample extracts than traditional phases for QuEChERS LC-MS methods. By eliminating problematic matrix interferences, Z-Sep products provide more robust LC-MS methods. This proprietary technology can replace C18 and PSA in your current methods without additional method development.

Z-Sep/C18 is recommended for cleanup of samples containing less than 15% fat.
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

Certain uses of this product may be covered by the claims of one or more pending patent applications. For licensing inquiries please contact techserv@sial.com
AOAC is a registered trademark of AOAC International
Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany
Supel is a trademark of Sigma-Aldrich Co. LLC

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Lucía Geis-Asteggiante et al.
Journal of chromatography. A, 1258, 43-54 (2012-09-05)
In this study, optimization, extension, and validation of a streamlined, qualitative and quantitative multiclass, multiresidue method was conducted to monitor >100 veterinary drug residues in meat using ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). Optimization centered on extensive ruggedness evaluation of
Łukasz Rajski et al.
Journal of chromatography. A, 1304, 109-120 (2013-07-23)
Several extraction methods were evaluated in terms of recoveries and extraction precision for 113 pesticides in avocado: QuEChERS with various d-SPE clean-ups (Z-Sep, Z-Sep+, PSA+C18 and silica), miniLuke and ethyl acetate. Extracts were analysed using liquid chromatography coupled with triple
Pol Herrero et al.
Journal of chromatography. A, 1339, 34-41 (2014-03-25)
A Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) extraction method followed by liquid chromatography-(Orbitrap) high resolution mass spectrometry was developed for the simultaneous determination of five benzotriazole, four benzothiazole and five benzenesulfonamide derivates in sewage sludge. While the method
Tomasz Tuzimski et al.
Journal of AOAC International, 100(6), 1671-1680 (2017-07-15)
In this study, a simple, cost-effective, and sensitive HPLC diode-array detection method was developed for the simultaneous determination of six different 5-nitroimidazoles [metronidazole, 2-hydroxymethyl-1-methyl-5-nitro-1H-imidazole, dimetridazole (DMZ), ronidazole, ornidazole, and ipronidazole] in bovine milk samples. A QuEChERS-based sample preparation procedure was
Hui Li et al.
Journal of chromatography. A, 1528, 53-60 (2017-11-07)
Herein, an accurate and reliable isotope-labelled internal standard method was developed and validated for simultaneous determination of three polar pesticide adjuvants, namely 2-pyrrolidone, N-methyl-2-pyrrolidone, and N-ethyl-2-pyrrolidone in plant-derived agro-products. Matrices, including apple, cabbage, tomato, cucumber, rice, and wheat were extracted

Related Content

Z-Sep sorbents improve fat and pigment extraction in QuEChERs solid phase extraction for sample preparation.

Chromatograms

application for HPLC

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