Plutonium Isotopes Concentration in Seawater along the Algerian Coast | Zendy

M. Benkrid | Zendy; A. Noureddine | Zendy

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Plutonium Isotopes Concentration in Seawater along the Algerian Coast

Author(s) -

M. Benkrid,

A. Noureddine

Publication year - 2007

Publication title -

science and technology of nuclear installations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.417

H-Index - 24

eISSN - 1687-6083

pISSN - 1687-6075

DOI - 10.1155/2007/68742

Subject(s) - seawater , algorithm , chemistry , analytical chemistry (journal) , geology , environmental chemistry , mathematics , oceanography

The International Atomic Energy Agency has organised in the framework of the regional project RAF/7/004, in collaboration with “Commissariat a l'Energie Atomique” (COMENA) and “Institut des Sciences de la Mer et de l'Amenagement du Littoral” (ISMAL), during August 2001, a scientific campaign along the Algerian coast, on board of the research vessel M.S. Benyahia of ISMAL is. Three stations, at the centre, east and west, were selected to collect five seawater samples for each water column reaching a maximum depth of 2000 m, using a stainless-steel water sampler of a volume of 250 litres. After recording the marine environment parameters (temperature and conductivity), seawater samples were conditioned and preconcentrated to precipitate plutonium isotopes using MnCl2 in the form of MnO2 in order to proceed to plutonium extraction by radiochemical separation and prepare the source by coprecipitation using neodymium fluoride (NdF3) by vacuum filtration and an evaluation of the activity by alpha spectrometry. Concentration results in units of μBq/l of plutonium isotopes were obtained in the range of 6.7±1.00 to 25.5±3.70 for P239

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