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Mini-Multiresidue-Method (QuEChERS)

Weigh 10 g of Sample (50 mL Teflon-Tube)

Shake vigorously 1 minShake vigorously 1 min

Shake vigorously 1 minShake vigorously 1 min

Add ISTD-SolutionShake 30 s and centrifugeShake 30 s and centrifuge

Shake 30 s and centrifugeShake 30 s and centrifugeShake 30 s and centrifuge

(Add 0.1% HAc and “Analyte Protectants” )

GC-MSD and LC-MS

Take Aliquot and Add MgSO4 (and Sorbent)

Add 10 mL Acetonitrile (acidified with HAc for samples with pH > 5)

Add 4 g MgSO4 and 1 g NaCl

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