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55289-U

Supelco

Supel™ QuE QuEChERS tube

PSA/C18/ENVI-Carb 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/C18/ENVI-Carb Tube, pack of 100, AOAC® 2007.01

Agency

AOAC® 2007.01

Quality Level

100

composition

Discovery® DSC-18, 50 mg (;)
ENVI-Carb, 50 mg
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
Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany
Supel is a trademark of Sigma-Aldrich Co. LLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

55289-U:4548173958811

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Certificates of Analysis (COA)

Lot/Batch Number
11881901
10606601
9438401
9057201
8386801

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Stanisław Walorczyk
Talanta, 120, 106-113 (2014-01-29)
A triple quadrupole GC-QqQ-MS/MS method was optimized for multiresidue analysis of over 180 pesticides in blackcurrants. The samples were prepared by using a modified quick, easy, cheap, effective, rugged and safe (QuEChERS) analytical protocol. To reduce matrix co-extractives in the
Determination of toxic substances, pesticides and mycotoxins, in ginkgo biloba nutraceutical products by liquid chromatography Orbitrap-mass spectrometry
Martinez-Dominguez, G., et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 118, 124-130 (2015)
Chun-Lin Fan et al.
Journal of AOAC International, 98(1), 130-148 (2015-04-11)
A 3 month study was conducted on the ruggedness of a multiresidue method for accuracy and stability. The results indicate that in terms of Youden pair ratios of 201 pesticide aged tea samples falling approximately within 1.00-1.20 of the ratio
Tsuyoshi Imazawa et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 46(6), 277-281 (2006-01-31)
An analytical method was developed for the determination of phenmedipham (PM) in agricultural products using reversed-phase high-performance liquid chromatography with UV detection. A sample was extracted with acetonitrile, and the acetonitrile layer was separated by salting-out. The acetonitrile phase was
U Führer et al.
Analytical and bioanalytical chemistry, 354(3), 333-343 (1996-01-01)
Halogenated anisoles (methyl-phenyl ethers) appear to be ubiquitous organic trace compounds in the environment. An analytical method is presented for analyzing the altogether 134 congeners of chloro-, bromo- and mixed bromochloro-anisoles on an isomer-specific basis in air. High volume sampling
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Articles

Comparison of QuEChERS Products for the Extraction of Planar Pesticides from Spinach

Supel™ QuE Verde combines a novel carbon with zirconia coated silica (Z-Sep+) to provide an optimum balance between planar pesticide recovery and color removal.

Analysis of Pesticide Residues in Cannabis Using QuEChERS Extraction and Cleanup Followed by GC/MS/MS Analysis

Compared to conventional PSA/C18/GCB cleanup, cannabis extracts cleaned with the Supel QuE Verde mixture showed lower GC/MS background, and better recoveries for many pesticides.

Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea

A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.

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