Published in Medical Letter on the CDC and FDA, January 23rd, 2011
"Reverse-phase chromatography using an octadecyl silica (C-18) column and water/acetonitrile gradient elution was used to separate analyte mixtures. After separation, PAHs were detected using liquid chromatography-tandem mass spectrometry (LC-MS/MS) equipped with the atmospheric pressure photoionization (PhotoSpray APPI) source operating in the positive-ion mode. In this methodology, all 16 common PAHs were used and toluene...
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