Natural radionuclides and plutonium isotopes in soil and shore sediments on Alexandria Mediterranean sea coast of Egypt
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R.H. Higgy
The specific activities of 238U, 232Th and 40K in soil and shore sediments from the Mediterranean Sea Coast of Alexandria have been determined using direct gamma spectrometry with a HP-Ge detector and absorbed dose rates in air were calculated. The specific activity of 238U was determined by laser fluorimetry after applying a radiochemical separation. The specific activities of 238U, 235U, 234U, 238Pu and 239+240Pu were determined using an alpha spectrometer based on surface barrier detectors after applying sensitive radiochemical procedures. The specific activities of 238U obtained by the three techniques were compared. The isotopic ratios 234U/238U and 238Pu/239+240Pu were calculated for evaluation of the geochemical behavior of the nuclides. Plutonium concentrations were compared with some reported values in other different marine ecosystems.
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Articles in the same Issue
- Isomeric yield ratios of 134I and 136I in the proton-, 12C- and 19F-induced fission of 235U, 237Np and 238U
- The formation of mixed-hydroxo complexes of Cm(III) and Am(III) with humic acid in the neutral pH range
- Complexation studies of UO22+ with humic acid at low metal ion concentrations by indirect speciation methods
- Determination of fictive binary data for plutonium(IV) nitrate
- Solvent extraction of uranium(VI) and thorium(IV) from nitrate media by Cyanex 923
- Binding and release of metallic cations by a polyaniline-based resin
- Natural radionuclides and plutonium isotopes in soil and shore sediments on Alexandria Mediterranean sea coast of Egypt
- Activities and activity ratios of U and Ra radioisotopes in drinking wells, springs and tap water samples in Morocco
Articles in the same Issue
- Isomeric yield ratios of 134I and 136I in the proton-, 12C- and 19F-induced fission of 235U, 237Np and 238U
- The formation of mixed-hydroxo complexes of Cm(III) and Am(III) with humic acid in the neutral pH range
- Complexation studies of UO22+ with humic acid at low metal ion concentrations by indirect speciation methods
- Determination of fictive binary data for plutonium(IV) nitrate
- Solvent extraction of uranium(VI) and thorium(IV) from nitrate media by Cyanex 923
- Binding and release of metallic cations by a polyaniline-based resin
- Natural radionuclides and plutonium isotopes in soil and shore sediments on Alexandria Mediterranean sea coast of Egypt
- Activities and activity ratios of U and Ra radioisotopes in drinking wells, springs and tap water samples in Morocco
