Effect of water purification on its radioactive content

摘要

We have analyzed the dissolved activity of various radionuclides of natural origin (226~Ra and 234,235,238~U0 and artificial origins (90~Sr and 239+240~Pu), together with other non-radioactive physico-chemical parameters (pH, conductivity, dry residue, [Ca~2+], [Mg~2+], [K+] and [Fe~2+,3+], in both pre-potable and potable water from 17 treatment plants in Extremadura (Spain). We have established a series of criteria and complementary techniques to the traditional methods Of purification, aimed at the quantitative elimination of the presence in solution of he mentioned radionuclides.