超声波处理悬浮液进样AAS快速测定土壤中的微量元素铜、锌和锰

Ultrasonic Pretreatment Slurry Sampling for the Determination of Copper,Zinc and Manganese in Soils by FAAS

采用超声波处理悬浮液直接进样火焰原子吸收光谱法测定土壤样品中的微量元素铜、锌和锰。对样品进行 7次平行测定 ,结果的 RSD均小于 2 .4 %,回收率均在 95 .9%— 1 0 8%之间。此法快速、准确、方便。

Determination of Cu,Zn and Mn in soils was carried out by FAAS with ultrasonic slurry pretreatment and sampling.The recovery is 95.9%—108%.RSD is less than 2.4%(n=7).The method is fast and convenient.