Using the reaction of Cl?- to Ag?+ to produce AgCl precipitate ,the concentration of Cl?- in sample was determined indirectly by the examination of excessive Ag?+ with AAS.

• 利用Ag+与Cl-生成AgCl沉淀的反应,采用原子吸收光谱法测定过量Ag+浓度,从而间接测定样品中Cl-含量。