流动注射分析法测定成烟产物中的Zn^2＋

FIA determination of Zn^2＋ in smoke products of aerosol

采用流动注射分析技术建立了Zn^2＋的FIA分析方法．谊分析方法可行、简便。其数据可靠，具有较好的选择性和重现性．样品测定频率大于30个／h；在1．0～5．0mg／L范围内呈良好的线性关系，γ=0．9999；回收率大于98%．实现了烟幕剂成烟产物中Zn^2＋的快速定量测定．

FIA method for determination of Zn^2＋ in smoke products of aerosol is established . The method is simple , feasible , selective , reliable and reproducible . The detecting frequency is more than 30 entries per hour. A linear range of detection is 1.0-5.0mg·L^-1 （ γ=0.999 9 ） .The recovery rate is more than 98%. FIA method realizes rapid determination of Zn^2＋ in smoke products of aerosol.