Arsenic content in five sediment profiles from admiralty bay, king George island, Antarctica - Ribeiro, Andressa P; Figueira, Rubens César Lopes; Silva, Charles R A; França, Elvis Joacir; Bícego, Márcia Caruso; Mahiques, Michel Michaelovitch de; Montone, Rosalinda Carmela (Annual Activity Report. National Institute of Science and Tecnology-INCT, 2010)