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Hemimicelles-based solid-phase extraction was proposed for the concentration of high volume commodity phthalates from wastewater samples prior to their separation and quantitation by liquid chromatography/atmospheric pressure chemical ionization in positive mode, ion trap mass spectrometry. Di-(2-ethylhexyl) phthalate (DEHP), butyl benzyl phthalate (BBP) and di-n-butyl phthalate (DBP) were concentrated...
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