Product Information
Brand
roQ QuEChERS Kits
roq QuEChERS Kits allow for simplified extraction of multi-residue target compounds from food samples
roQ QuEChERS Kits

roQ QuEChERS Kits make sample preparation easy. The QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) Method is a quick and efficient process to extract multi-residue target compounds from food samples while removing unwanted interferences such as organic acids, lipids, pigments, sugars, and more.

Don't settle for any QuEChERS kit…roQ exemplifies Quick, Easy, Cheap, Effective, Rugged for multiresidue pesticide clean-up in conjunction with AOAC 2007.01 and EN 15662 Methods.

 

Don't settle for any QuEChERS kit…roQ QuEChERS kits exemplifies Quick, Easy, Cheap, Effective, Rugged for multiresidue pesticide clean-up

A Simple 2-Step Method

Step 1: Extraction 

Pesticides and analytes of interest must first be extracted from the sample. This process relies on the combination of organic solvent and various salts to partition the analytes from samples into an organic layer (typically acetonitrile).
Blend fruits or vegetables to be analyzed.
Weigh blended sample.
Add salts and acetonitrile.
Shake tube for 1 minute.
Centrifuge tube for <br>5 minutes.

Step 2: Dispersive SPE (dSPE) 

An aliquot of the organic layer from the extraction step is subjected to further clean up by dispersive SPE. This step selectively removes unwanted interferences such as lipids and pigments.
Add supernatant from extraction procedure into a roQ dSPE tube.
Shake dSPE tube for 30 seconds.
Centrifuge dSPE tube for 5 minutes.
Analyze supernatant by GC or HPLC.
Method Recommendations for roQ

Step 1: Extraction

Pesticides and analytes of interest must first be extracted from the sample. This process relies on the combination of organic solvent and various salts to partition the analytes from samples into an organic layer (typically acetonitrile).

AOAC ORIGINAL EN
AOAC 2007.01 Method
6.0 g MgSO4, 1.5 g NaOAc
KS0-8911
Non-Buffered Method
4.0 g MgSO4, 1.0 g NaCl
KS0-8910

6.0 g MgSO4, 1.5 g NaCl
KS0-8912
EN 15662 Method
4.0 g MgSO4,
1.0 g NaCl, 1.0 g SCTD, 0.5 g SCDS
KS0-8909
   

*All roQ Extraction kits contain fifty easy-pour salt packets and fifty 50 mL stand-alone centrifuge tubes.



Step 2: Clean Up/dSPE**

  AOAC 2007.01 EN 15662
  1 mL 8 mL 1 mL 6mL
General

150 mg MgSO4,
50 mg PSA
KS0-9511
1200 mg MgSO4,
400 mg PSA
KS0-9515
150 mg MgSO4,
25 mg PSA
KS0-9503
900 mg MgSO4,
150 mg PSA
KS0-9507
Fats and Waxes

150 mg MgSO4,
50 mg PSA 
50 mg C18E
KS0-9512
1200 mg MgSO4,
400 mg PSA
KS0-9515
150 mg MgSO4,
25 mg PSA
KS0-9503
900 mg MgSO4,
150 mg PSA
KS0-9507
Pigmented

150 mg MgSO4
50 mg PSA
50 mg GCB
KS0-9513
1200 mg MgSO4,
400 mg PSA
400 mg GCB
KS0-9517
150 mg MgSO4
25 mg PSA
2.5 mg GCB
KS0-9505
900 mg MgSO4
150 mg PSA
15 mg GCB
KS0-9509
Highly Pigmented

150 mg MgSO4
25 mg PSA
7.5 mg GCB
KS0-9506
900 mg MgSO4
150 mg PSA
45 mg GCB
KS0-9510
Pigments and Fats

150 mg MgSO4
50 mg PSA
50 mg GCB
50 mg C18E
KS0-9514
1200 mg MgSO4
400 mg PSA
400 mg GCB
400 mg C18E
KS0-9518

**All roQ dSPE kits contain pre-weighed sorbents/salts inside 2 mL or 15 mL centrifuge tubes.