Development of a method for determination of lead isotope ratios in marine suspended particles

Daichi Asanuma1, Hajime Obata2, Yuna Matsubara3, Kai Maruyama3, Kazuhiro Norisuye4 and Tohru Fukazawa1, (1)Graduate School of Science & Technology Niigata University, Niigata, Japan, (2)Univ Tokyo, Kashiwa, Japan, (3)Graduate School of Science & Technology Niigata University, Japan, (4)Niigata University, Niigata, Japan