Quantitative non-targeted screening with predicted response factors is not for regulation, but can rank environmental chemicals by concentration and toxicity.
|Articles|July 15, 2011
- The Column-07-15-2011
- Volume 7
- Issue 13
Extraction of Oil and Grease from Water Samples Using Automated Solid-Phase Extraction
EPA Method 1664, Revision A describes the determination of oil and grease from liquid (typically water) samples.
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EPA Method 1664, Revision A, n-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel-Treated Hexane Extractable Material (SGT-HEM; Non‑polar Material) by Extraction and Gravimetry, describes the determination of oil and grease from liquid (typically water) samples.
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Multidimensional chromatography cuts ion suppression in complex environmental samples by separating salts and coeluting compounds from target analytes.
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