Abstract
The simultaneous LC/MS analyses of hexachlorobenzene (HCB) and pentachlorophenol (PCP), two dioxin precursors were studied by both atmospheric pressure chemical ionization (APCI) and atmospheric pressure photoionization mass spectrometry (APPI/MS). The optimum LC/MS conditions of the simultaneous analysis were determined for these two compounds with different polarity. Ionization by APPI was found to be more effective than by APCI, and is thus a better ionization method for analysis of the two compounds. Using LC/APPI/MS we can achieve the simultaneous analysis of HCB and PCP at ppb levels.
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Osaka, I., Yoshimoto, A., Nozaki, K. et al. Simultaneous LC/MS Analysis of Hexachlorobenzene and Pentachlorophenol by Atmospheric Pressure Chemical Ionization (APCI) and Photoionization (APPI) Methods. ANAL. SCI. 25, 1373–1376 (2009). https://doi.org/10.2116/analsci.25.1373
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DOI: https://doi.org/10.2116/analsci.25.1373