[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.