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Europium
Items for "Europium"
Potentiometric investigations on the interaction of humic acid with Cu(II) and Eu(III) ions
The interaction of Cu(II) and Eu(III) ions with humic acid has been studied by potentiometry under normal atmospheric conditions at pH 6, I=0.1 M (NaClO4) at room temperature (23±2 °C)...
Keywords: Potentiometry, Competition, Humic acid copper, Europium
09/2006 | Radiochimica Acta, Oldenbourg WissenschaftsverlagSorption of europium(III) on polymeric silica in perchlorate media
Sorption of europium, Eu(III) with polymeric silicic acid has been studied under varying experimental conditions such as pH, ionic strength (I), concentration of silicic acid and of Eu(III), the presence of carbonate ions, and aging time...
Keywords: Europium, Sorption, Silica, Polymerization, Coagulation
01/2007 | Radiochimica Acta, Oldenbourg WissenschaftsverlagEffect of alkyl substituents on extraction properties and solubility of calix[4]arene dialkylphosphine oxides
The extraction properties of calix[4]arenes, substituted by CH2P(O)Alk2-group on the upper rim were studied...
Keywords: Extraction, Europium, Americium, Calix[4]arene dialkylphosphine oxides, Solubility
02/2007 | Radiochimica Acta, Oldenbourg WissenschaftsverlagMetal extraction by N,N′-dialkyl-N,N′-diaryl-dipicolinamides from nitric acid solutions
A study of americium, uranium and europium extraction by various dialkyl-diarylamides of 2,6-pyridine-dicarboxylic (dipicolinic) acid has shown that maximum extractability is achieved by using polar fluorine-substituted diluents...
Keywords: Dialkyl-diarylamides of 2,6-pyridine-dicarboxylic (dipicolinic) acid, Extraction, Americum, Uranium, Europium
04/2007 | Radiochimica Acta, Oldenbourg WissenschaftsverlagEffect of complexing anions on europium sorption on suspended silica: a TRLFS study for ternary complex formation
The sorption of europium, Eu(III), on suspended silica was studied in perchlorate media under varying concentrations of Eu(III) and silica, at pH 4 to 8, and ionic strength from 0.20 to 1.40 M NaClO4 at 298 K...
Keywords: Europium, Sorption, Silica, Complexing anions, Ternary complex
05/2007 | Radiochimica Acta, Oldenbourg WissenschaftsverlagTemperature effects on the interaction mechanisms between U(VI) and Eu(III) and ZrP2O7: experiment and modelling
In the field of nuclear waste management, prediction of the radionuclides migration through the geosphere has to take into account the effects of temperature...
Keywords: Sorption, Uranium, Europium, Zirconium diphosphate, temperature
01/2008 | Radiochimica Acta, Oldenbourg WissenschaftsverlagSolvent extraction of americium and europium ions by amide-derivatized polyethers from picric acid aqueous solution
The extraction of Am3+ and Eu3+ from picric acid aqueous solution by N,N-1,2-ethanediyl-bis[2-(N,N-diphenyl-carbamoyl-methoxy)-benzamide] was investigated by a radioactive tracer technique...
Keywords: Americium, Europium, Extraction, Picric acid, Amide-derivatized polyethers
03/2008 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag