Overview of Pretreatment Technology of Polycyclic Aromatic Hydrocarbons in Environment
Polycyclic aromatic hydrocarbons(PAHs)are a kind of carcinogenic,teratogenic and mutagenic persistent organic pollutants that have widely existed in environmental and food media and have the most direct relationship with us.Because the carrier of PAHs is complex,the substrate is changeable,and the content is relatively low,it is very important in the sample extraction,enrichment,concentration,and pretreatment process before purification,which directly affects whether it is detected.This paper investigates the PAHs pretreatment technology,It mainly includes an overview of traditional pretreatment technology and the advantages and disadvantages of each method based on traditional optimization,and the development of PAHs sample pretreatment technology is prospected.
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