2001
DOI: 10.1039/b007682l
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Ultra-trace determination of 226Ra in thermal waters by high sensitivity quadrupole ICP-mass spectrometry following selective extraction and concentration using radium-specific membrane disks

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Cited by 41 publications
(14 citation statements)
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“…For 226 Ra analysis by TIMS, Ra-Ba separations are required because the presence of Ba drastically decreases the ionization efficiency of fg Ra samples from 10% to <1%. This material has been widely used for separations of Ra from Ba (e.g., Chabaux et al 1994;Lundstrom et al 1998;Rihs et al 2000;Joannon and Pin 2001;Pietruszka et al 2002) and is a complement or alternative to cation exchange separations for EDTA complexes of these elements (Volpe et al 1991;Cohen and O'Nions 1991). Sr-Spec material would also be useful for 210 Pb analysis, since Pb has a greater distribution coefficient than Sr with this extractant.…”
Section: Extraction Chromatography Resins/disksmentioning
confidence: 98%
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“…For 226 Ra analysis by TIMS, Ra-Ba separations are required because the presence of Ba drastically decreases the ionization efficiency of fg Ra samples from 10% to <1%. This material has been widely used for separations of Ra from Ba (e.g., Chabaux et al 1994;Lundstrom et al 1998;Rihs et al 2000;Joannon and Pin 2001;Pietruszka et al 2002) and is a complement or alternative to cation exchange separations for EDTA complexes of these elements (Volpe et al 1991;Cohen and O'Nions 1991). Sr-Spec material would also be useful for 210 Pb analysis, since Pb has a greater distribution coefficient than Sr with this extractant.…”
Section: Extraction Chromatography Resins/disksmentioning
confidence: 98%
“…These materials were largely developed and basic separation capabilities determined at Argonne National Laboratory by P. Horwitz and colleagues and have been applied for uranium-series measurement by investigators around the world. These materials have been applied in two geometric configurations: as extraction chromatography beds for standard gravimetric column chromatography, and as disks for more rapid extraction of elements from aqueous solutions (e.g., Joannon and Pin 2001).…”
Section: Extraction Chromatography Resins/disksmentioning
confidence: 99%
“…However, their sample matrices – U ores for example – were particularly complex and rich in many interfering elements. Joannon and Pin (2001) present several methods, which include (a) a first elution with Dowex AG50W‐X8 and 5 mol l −1 HNO 3 followed by a second on Sr resin with 5 mol l −1 HNO 3 , a procedure directly inspired from the initial development of Chabaux et al. (1994).…”
Section: Review Of the Existing Proceduresmentioning
confidence: 99%
“…However, their sample matrices -U ores for examplewere particularly complex and rich in many interfering elements. Joannon and Pin (2001) present several methods, which include (a) a first elution with Dowex AG50W-X8 and 5 mol l -1 HNO 3 followed by a second on Sr resin with 5 mol l -1 HNO 3 , a procedure directly inspired from the initial development of Chabaux et al (1994). This procedure was also adopted by Foster et al (2004) for seawater; these authors underlined the need to re-process the Sr resin step several times, to obtain the optimum Ba-Ra separation.…”
Section: Review Of the Existing Procedures 226 Ramentioning
confidence: 99%
“…The PC-Based systems are being used in "mission critical" environment and are performing as expected by the designer. The data-base for the I/O and alarms were globallydistributed to the network, requiring reduced maintenance on the system Joannon et al (2001). developed a method for the determination of 226Ra in highly saline (total dissolved solids approximately equals 6 g/L) thermal waters, using ultrasonic nebulization and a quadrupole-based instrument equipped with a high sensitivity-pumping interface.…”
mentioning
confidence: 99%