Since 1978, flow extraction technique is widely used owning to its characteristics of high enrichment efficiency, ease of automation and little reagent-consuming.

• 流动萃取技术自1978年产生之日起,就得到了广泛的应用。 该技术具有消耗有机试剂少、萃取效率高以及很容易实现自动化等特点。