Rapid Screening and confirmation analysis of polycyclic aromatic hydrocarbons (PAHs) with DART mass spectrometry

Recently, the regulation of the content of the polycyclic aromatic hydrocarbons (PAHs) in goods which may put into a mouth or may contact is advanced and the technologies of measuring PAHs quickly are being developed. The ionizing principle of DART (Direct Analysis in Real Time) using the excitation helium gas is able to widely ionize the wide-range compounds and it may also be able to ionize the compounds which are not ionized by ESI. Since PAHs is ionizable by DART, PAHs can be quickly screened by holding up a sample directly to DART. In this research, the technique detected by DART-MS was developed coupling with LC and DART analysis after carrying out LC separation was performed.