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Extraction of pesticides in red grapes using CHROMABOND® QuEChERS

Method:
Matrix
Application-No.:
SPE
red grapes
306590




Substances:
3-hydroxycarbofuran; acephate; acetamiprid; acibenzolar-S-methyl; aldicarb; aldicarb sulfone; ametryn; aminocarb; amitraz; azoxystrobin; benalaxyl; bendiocarb; benzoximate; bifenazate; bromuconazole (mix of isomers); bupirimate; buprofezin; butafenacil; butocarboxim; butoxycarboxim; carbaryl; carbetamide; carbofuran; carboxin; carfentrazone-ethyl; chlorantraniliprole; chlorotoluron; chloroxuron; clethodim (mix of isomers); clofentezine; clothianidin; cyazofamid; cycluron; cyproconazole (mix of isomers); cyprodinil; cyromazine; diclobutrazol; dicrotophos; diethofencarb; difenoconazole (mix of isomers); diflubenzuron; dimethoate; dimoxystrobin; diniconazole; dioxacarb; diuron; doramectin; emamectin B1a benzoate; epoxiconazole; eprinomectin; etaconazole (mix of isomers); ethiofencarb; ethiprole; ethirimol; ethofumesate; etoxazole; fenamidone; fenazaquin; fenbuconazole; fenhexamid; fenobucarb; fenoxycarb; fenpropimorph; fenpyroximate; fenuron; fipronil; flonicamid; flubendiamide; fludioxinil; flufenacet; flufenoxuron; fluometuron; fluoxastrobin; flusilazole; flutolanil; flutriafol; forchlorfenuron; fuberidazole; furalaxyl; furathiocarb; halofenozide; hexaconazole; hexythiazox; hydramethylnon; imazalil; imidacloprid; indoxacarb; ipconazole (mix of isomers); iprovalicarb (mix of isomers); isocarbophos; isoprocarb; isoproturon; kresoxim-methyl; linuron; mandipropamid; mefenacet; mepanipyrim; mepronil; mesotrione; metalaxyl; metconazole; methabenzthiazuron; methamidophos; methiocarb; methomyl; methoprotryne; methoxyfenozide; metobromuron; metribuzin; mevinphos (mix of isomers); mexacarbate; monocrotophos; monolinuron; myclobutanil; neburon; nitenpyram; omethoate; oxadixyl; oxamyl; paclobutrazol; penconazole; pencycuron; picoxystrobin; piperonyl butoxide; pirimicarb; prochloraz; promecarb; prometon; prometryn; propargite; propham; propiconazole (mix of isomers); propoxur; pymetrozine; pyracarbolid; pyraclostrobin; pyridaben; pyrimethanil; pyriproxyfen; quinoxyfen; rotenone; secbumeton; siduron; simetryn; spinetoram; spinosad (spinosyn A); spinosad (spinosyn D); spirodiclofen; spirotetramat; spiroxamine (mix of isomers); tebuconazole; tebufenozide; tebufenpyrad; tebuthiuron; temephos; terbumeton; terbutryn; tetraconazole; thiabendazole; thiacloprid; thiamethoxam; thidiazuron; thiobencarb; triadimefon; triadimenol; tricyclazole; trifloxystrobin; triflumizole; triflumuron; triticonazole; vamidothion
Columns:
CHROMABOND® QuEChERS Mix I
CHROMABOND® QuEChERS Mix III
Phase:
CHROMABOND® QuEChERS
REF numbers:
730970
730972



Sample pretreatment:

Weigh 10 g homogenized sample into an empty 50 mL centrifuge tube (REF 730223)



Conditions:

Extraction /     add 10 mL acetonitrile to the spiked sample matrix and
Partitioning:    agitate

Salting-out:     add CHROMABOND® QuEChERS Mix I (REF 730970) and
                        agitate; then centrifuge

Clean-up /       take an aliquot of the organic phase and subject it to
dSPE:              CHROMABOND® QuEChERS Mix III (REF 730972) and
                       agitate; centrifuge




Subsequent analysis:
HPLC-MS/MS in reference to MN appl. no. 128620



Author(-s):
Application department
Source:
MACHEREY-NAGEL, Germany 2017



Keywords:
QuEChERS; dispersive SPE; pesticides; food; red grapes






Recovery:














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