地球化学样品中痕量锗的氢化物发生-原子荧光法测定

Determination of Trace Hydride of Germanium in Geochemical Samples by HG-AFS Method

摘要:

采用断续流动进样方式的原子荧光仪 ,测定地球化学样品中的痕量锗 ,方法测定下限为 0 .0 4× 1 0 - 6,线性范围 0～ 5 0 0 μg L ,精密度为 1 .6 % ,样品加标准回收率 98.1 %～ 1 0 3 .5 % ,经标准样品验证 ,方法准确可靠

Abstract:

Trace germanium in geochemical samples determined by off and on-flow samples supply AFS, the lower limit of determination is 0.04×10 -6,linear scope is 0～500μg/L, precision is 1.6%, and extraction ratio of standard substance in samples is 98.1%～103.5%. This method is demonstrated accurate and reliable through testing of standard samples.