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Solid-phase microextraction (SPME) coupled to gas chromatography/mass spectrometry (GC/MS) was applied to the determination of phthalate esters in human serum. The present method decreased the sample preparation time by a factor of 50 by using direct immersion SPME with an 85-μm polyacrylate fiber to extract phthalate esters from the matrix. The use of fast GC/MS further improves total analysis time...
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