G005805

GC Analysis of Pesticides in Avocado on SLB^®-5ms (20 m x 0.18 mm I.D., 0.36 μm) after QuEChERS Cleanup using Supel^™ QuE Z-Sep+, Fast GC Analysis

application for SPE, suitable for GC

Propriedades

• técnica(s): gas chromatography (GC): suitable; solid phase extraction (SPE): suitable
• parâmetros de teste: sample preparation: Dispersive (QuEChERS); sample/matrix: Avocado spiked with pesticides at 20 ng/g; extraction tube: Supel QuE Acetate extraction tube (55234-U); extraction process: add 25 mL of acetonitrile; shake for 1 minute; add contents of Supel QuE acetate extraction tube; shake immediately for 1 minute; centrifuge at 3200 rpm for 5 minutes; clean-up tube: Supel Que Z-Sep+ cleanup tube (55296-U); clean-up process: transfer 3 mL of the acetonitrile layer into a Supel Que Z-Sep+ cleanup tube; shake for 1 minute; centrifuge at 3400 rpm for 3 minutes; draw off supernatant for LVI-GCMS analysis; column: SLB-5ms, 20 m x 0.18 mm I.D., 0.36 μm (28576-U); oven: 70 °C (2 min), 15 °C/min to 325 °C (6 min); inj. temp.: 60 °C (0.28 min), 600 °C/min to 325 °C (5 min); detector: MSD; MSD interface: 330 °C; carrier gas: helium, 1 mL/min, constant; injection: PTV solvent vent; 10 μL, injection dispense speed 15000 μL/min; liner: 4 mm I.D. FocusLiner with taper; sample: pesticides spiked at 20 ng/g
• adequação: application for SPE
• aplicação(ões): agriculture; food and beverages

Descrição

Nota de análise

About this analysis: This application demonstrates the use of dispersive SPE for the extraction of pesticides from Avocado. Cleanup is achieved using Z-Sep + for fat removal. FInal analysis of the extracts was done by LVI-GC/MS SIM on an SLB-5ms column.

Informações legais

SLB is a registered trademark of Merck KGaA, Darmstadt, Germany

Supel is a trademark of Sigma-Aldrich Co. LLC

Analito

Trifluralin
α-1,2,3,4,5,6-Hexachlorocyclohexane
Hexachlorobenzene
Dimethoate
Simazine
Pentachloronitrobenzene
Lindane
Heptachlor
Malathion
Metolachlor
4,4′-DDT
Methoxychlor
Coumaphos
Deltamethrin
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