tailieunhanh - Optimization of ultrasonic extraction for determination of 16 polycyclic aromatic hydrocarbons in air particle

The aim of this study is to develop a quick ultrasonic extraction procedure for determination of 16 typical polycyclic aromatic hydrocarbons (PAHs) in air particles. The determination and quantification of PAHs in air particles samples were performed using gas chromatography coupled to mass spectrometry (GC-MS) with the aid of deuterated PAH internal standards. One µg mixture of PAHs was spiked to a quarter of quartz fiber filter and extracted with four different solvents/solvent mixtures (methanol:dichloromethane, acetone:dichloromethane; acetone:hexane; dichloromethane). | Optimization of ultrasonic extraction for determination of 16 polycyclic aromatic hydrocarbons in air particle

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