Objective: To study the concentration difference and source of five kinds of heavy metals in the adult blood in four cities.
Method: Concentrations of five kinds of heavy metals in the healthy man blood were determined and compared by ICP-MS or AFS, which came from four different kinds of dietary cities, those are Taiyuan, Tianjin, Chengdu, Zhenjiang.
Results: Contents of blood Pb and Cd in Chengdu, Taiyuan were higher thanjian Jin, Zhenjiang, Taiyuan were higher than Zhenjiang in blood Cu and higher than other cities in blood Hg, however, contents of blood As in Zhenjiang were higher than other three cities. In the whole, there was a phenomenon, that was, contents of five heavy metals in Chengdu, Tai Yuan were higher than Tianjin, Zhenjiang. Correlation of heavy metals in the blood were of statistical significance.
Conclusion: The difference of heavy metals in the blood related to different living surrounding and dietary habit. The correlation result suggested we should study the poisoning effect integrating other relative element.