Determination of Mo(VI), Ru(III), Re(VII) and NO3- in the solutions of nuclear fuel cycle by capillary electrophoresis

Verfasser / Beitragende:
[B. Fourest, A. Maslennikov, F. David, M. Masson]
Ort, Verlag, Jahr:
2003
Enthalten in:
Radiochimica Acta/International journal for chemical aspects of nuclear science and technology, 91/8/2003(2003-08-01), 479-486
Format:
Artikel (online)
ID: 378874217
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024 7 0 |a 10.1524/ract.91.8.479.20003  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1524/ract.91.8.479.20003 
245 0 0 |a Determination of Mo(VI), Ru(III), Re(VII) and NO3- in the solutions of nuclear fuel cycle by capillary electrophoresis  |h [Elektronische Daten]  |c [B. Fourest, A. Maslennikov, F. David, M. Masson] 
520 3 |a A method for simultaneous quantitative determination of Mo(VI), Re(VII), Ru(III) and NO3- ions in aqueous solutions, using capillary zone electrophoresis (CZE) technique with direct UV detection, was developed. Electrophoretic mobility of Ru(III) ions in 0.1M NaHCO3 solution was determined as 6.0×10-8m2 V-1 s-1 at 25 °C. The best analytical characteristics of the developed method were achieved with a 100mM carbonate buffer solution containing 0.3mM TTAB, at a pH value of 9.8 and at an applied voltage of 10kV. Under these conditions, a linear relationship between the measured absorbance (λ=230nm) and the concentration of the species under study were observed in the range 5×10-6-10-3M for Mo(VI), 7×10-6-10-3M for Re(VII) and 10-5--4M for Ru(III). The minimum detectable concentrations were determined as 4.1×10-6M for NO3-, 5.2×10-6M for Mo(VI), 7.4×10-6M for Re(VII) and 1.0×10-5M for Ru(III). The accuracy of quantitative determination was estimated as 3%-5% for NO3- and 5%-6% for Mo(VI), Re(VII) and Ru(III) ions. The presence of 0.06M NaNO3 (HNO3) and of 10-3M U(VI) in the sample affected neither the detection limits of the species under study nor the selectivity of the method. 
540 |a © 2003 Oldenbourg Wissenschaftsverlag GmbH 
690 7 |a Laboratory techniques, experiments  |2 nationallicence 
690 7 |a Analytical chemistry  |2 nationallicence 
690 7 |a Inorganic chemistry  |2 nationallicence 
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700 1 |a Maslennikov  |D A.  |4 aut 
700 1 |a David  |D F.  |4 aut 
700 1 |a Masson  |D M.  |4 aut 
773 0 |t Radiochimica Acta/International journal for chemical aspects of nuclear science and technology  |d Oldenbourg Wissenschaftsverlag GmbH  |g 91/8/2003(2003-08-01), 479-486  |x 0033-8230  |q 91:8/2003<479  |1 2003  |2 91  |o ract 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Maslennikov  |D A.  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a David  |D F.  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Masson  |D M.  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Radiochimica Acta/International journal for chemical aspects of nuclear science and technology  |d Oldenbourg Wissenschaftsverlag GmbH  |g 91/8/2003(2003-08-01), 479-486  |x 0033-8230  |q 91:8/2003<479  |1 2003  |2 91  |o ract 
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