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提出了一种碱性体系在线氢化物发生-原子荧光光谱法测定痕量铋的分析方法.设计了在线氢化物发生系统流路及操作程序,研究了碱性体系氢化物发生的各项最佳条件.方法操作简便快速,能有效地消除过渡元素的严重化学干扰.应用于黄铜标样中痕量铋的直接测定,获得满意结果.
An analytical method for the determination of trace bismuth by on-line hydride generation-atomic fluorescence spectrometry was proposed in this paper.A system of on-line hydride generation was designed to control the flow path and the operation procedure, and the optimum conditions for the hydride generation in alkaline system The method is simple and rapid, and can effectively eliminate the serious chemical interference of transition elements.It is used in the direct determination of trace bismuth in brass standard samples, and the satisfactory results are obtained.