X射线荧光光谱法分析癌症村土壤主量元素

由于工业的快速发展带来了许多诸如环境污染等不利的方面，“癌症村”就是一个沉重的例子。应用X射线荧光光谱法测定了一个较典型癌症村土壤中主量元素的含量。该村土壤中主量元素SiO₂,TiO₂,Al₂O₃,Fe₂O₃,MnO，MgO，CaO，Na₂O，K₂O和P₂O₅含量分别为66.05%，0.66%，11.37%，3.93%，0.075%，1.97%，5.47%，1.90%，2.11%和0.20%。各元素含量在测定范围之内，各种元素的分析精度较高，都在0.20%～0.005%之间，X射线荧光光谱法是一种测定污染土壤中主量元素的快速、有效的方法。

Determination of Major Elements in Soil from Cancer Village by X-ray Fluorescence Spectrometry

Many social problems arise from environmental pollution, cancer village is one of the many important problems caused by pollution. The authors selected a typical cancer village where 80-100 people died of cancer in the last five years, but there are only a total of 1 200 people in this village. The authors sampled soils from crops-planted areas and detected the major elements by X-ray fluorescence spectrometry. The results showed that the contents of SiO₂, TiO₂, Al₂O₃, Fe₂O₃, MnO, MgO, CaO, Na₂O, K₂O and P₂O₅ in soil of this village were 66.05%, 0.66%, 11.37%, 3.93%, 0.075%, 1.97%, 5.47%, 1.90%, 2.11% and 0.20% respectively; with the precision being ±0.20%, ±0.005%, ±0.10%, ±0.10%, ±0.005%, ±0.05%, ±0.04%, ±0.08%, ±0.02% and ±0.005% respectively, which showed that X-ray fluorescence spectrometry is a good method.