The method of flow injection analysis (FIA) is described for continuously measuring chemical oxygen demand (COD) in seawater.
利用流动注射分析技术（FIA）快速、连续测定海水化学耗氧量（COD）。
2
Besides, FIA could realize automatic analysis.
固定化酶FIA法能实现自动分析。
3
The advantages of the flow injection technique (FIA) in trace analysis are discussed and the applications of FIA in trace analysis are reviewed briefly.