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    SpeedTest QuEChERS (Cleanup Kit) CSQ0014

    MgSO4 150mg, PSA 50mg, C18 50mg; 100ea/PK

    I.Introduction

    The QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method was first introduced by USFDA and scientists in 2003 and it becomes increasingly popular in the area of multi-residue pesticide analysis, drug or antibiotic residue analysis in vegetable, fruit, grain, and animal tissue.

    II. Kits Contents

    Universal Clean-up kits are optimized for different application requirement:

    • GCB removes the pigments, including chlorophyll and
    • PSA removes organic
    • C18 removes non-polar interferences, such as
    • Anhydrous MgSO4 removes the excess

    The clean up kits are available in 2 mL, 15 mL for different sample volume requirement, and extraction kits are packed in anhydrous sealed packets. Meizheng slim package avoid spilling out during transfer the salt into the tube, make the process easier and more convenient. Superior centrifuge tubes and glass homogeneous ball provide you a simple and convenient experience.

    ExtractionMatrixClean up
    AOAC 2007.01
    AOAC 2007.01General fruit2 mL Centrifuge tube for 1 mL sample
    -AOAC Method 6 gand vegetable50 mg PSA, 150 mg MgSO4, P/N: CSQ0010
    MgSO4

    (anhydrous);

    15 mL Centrifuge tube for 8 mL sample

    400 mg PSA, 1200 mg MgSO4, P/N: CSQ0011

    1.5 g NaAc

    P/N: CSQ0003

    Fruits and vegetables with fats and waxes2 mL Centrifuge tube for 1 mL sample

    50 mg PSA, 50 mg C18, 150 mg MgSO4, P/N: CSQ0014

    15 mL Centrifuge tube for 8 mL sample

    400 mg PSA, 400 mg C18, 1200mg MgSO4, P/N: CSQ0007

    Pigmented fruits and vegetables2 mL Centrifuge tube for 1 mL sample

    50 mg PSA, 50 mg GCB, 150 mg MgSO4, P/N:CSQ0017

    15 mL Centrifuge tube for 8 mL sample

    400 mg PSA, 400 mg GCB, 1200 mg MgSO4, P/N: CSQ0018

    EN 15662
    EN 15662 -General fruit2 mL Centrifuge tube for 1 mL sample
    European andand vegetable25 mg PSA, 150 mg MgSO4(anhydrous), P/N: CSQ0013
    Mini-Multiresidue15 mL Centrifuge tube for 6 mL sample
    Method 4 g MgSO4

    , 1 g NaCl, 1 g

    150 mg PSA, 900 mg MgSO4(anhydrous), P/N: CSQ0012
    Fruits and2 mL Centrifuge tube for 1 mL sample
    NaCitrate, 0.5 gvegetables with25 mg PSA, 25 mg C18, 150 mg MgSO4(anhydrous) P/N: CSQ0016

     

    disodium citrate

    sesquihydrate

    fats and waxes15 mL Centrifuge tube for 6mL sample

    150 mg PSA, 150 mg C18, 900 mg MgSO4(anhydrous) P/N: CSQ0015

    P/N: CSQ0029Pigmented fruits and vegetables2 mL Centrifuge tube for 1 mL sample

    25 mg PSA, 2.5 mg GCB, 150 mg MgSO4(anhydrous) P/N: CSQ0020

    15 mL Centrifuge tube for 6 mL sample

    150 mg PSA, 15 mg GCB, 900 mg MgSO4(anhydrous) P/N: CSQ0021

    III. Procedure Overview

    Step 1:

    Mix sample with extracting solvent and then open the extraction bag, pour all the salts into the tube, shake the tube violently. Add 4 glass homogeneous balls into the tube for dispersal purpose, especially for samples rich in water.

    Extraction solvent is added to the 50 mL extraction tubes prior to the addition of the extraction salts. This prevents undesirable caking of the anhydrous MgSO4 to the sample.

    Step 2

    Select a proper QuEChERS clean up tube, transfer the supernatant of step 1 into it, and shake the tube to help the sorbent adsorb interfering matrices and MgSO4 helps removing excess water. Take part of the supernatant after centrifuge for analysis.

    Remarks: When the samples are mixed with anhydrous MgSO4, excessive heat may be generated. It is recommended to vent the tube after a few shakes to release any gas pressure.

    IV. Shelf Life

    The devices remain stable when stored in their original sealed packaging. Dispose of used devices safely in accordance with applicable government or local regulations

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