Developments of analytical techniques for the determination of 237Np/239Pu atom ratios on air filters from Vienna, Austria
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Air filter samples collected in the 1960s and therefore representing pure weapons test fallout were investigated with respect to 237Np and 239Pu concentrations as well as 237Np/239Pu atom ratios. 237Np and the Pu isotopes (with 242Pu as tracer for both element... ...
