137 Cs,  239+240 Pu concentrations and the  240 Pu/ 239 Pu atom ratio in a sediment core from the sub-aqueous delta of Yangtze River estuary

Pan, S.M.; Tims, Stephen; Liu, X.Y.; Fifield, L Keith

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137 Cs, 239+240 Pu concentrations and the 240 Pu/ 239 Pu atom ratio in a sediment core from the sub-aqueous delta of Yangtze River estuary

Date

2011

Authors

Pan, S.M.

Tims, Stephen

Liu, X.Y.

Fifield, L Keith

Publisher

Elsevier

Abstract

A sediment core collected from the sub-aqueous delta of the Yangtze River estuary was subjected to analyses of 137Cs and plutonium (Pu) isotopes. The 137Cs was measured using γ-spectrometry at the laboratories at the Nanjing University and Pu isotopes we