The Flow injection technique was applied to an efficient on-line exchange pieconcentration system for the AAS determination of Pb, Cd, Mn, Cu, Ni, Zn in water.

• 本文用流动注射离子交换预浓集与原子吸收光谱在线连接测定了水中痕量Pb；Cd；Mn；Cu；Ni和Zn.