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SHIMSEN QuEChERS for AOAC 2007.01

 
The QuEChERS (quick, easy, cheap, effective, rugged, and safe) method uses a single-step buffered acetonitrile (MeCN) extraction and salting out liquid–liquid partitioning from the water in the sample with MgSO4. Dispersive-solid-phase extraction (dispersive-SPE) cleanup is done to remove organic acids, excess water, and other components with a combination of primary secondary amine (PSA) sorbent and MgSO4; then the extracts are analyzed by mass spectrometry (MS) techniques after a chromatographic analytical separation.

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