2010
DOI: 10.1007/s12647-010-0017-7
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Isotope dilution mass spectrometry — A primary method of measurement and its role for RM certification

Abstract: This article describes the application of isotope dilution mass spectrometry (IDMS) to the field of reference material (RM) characterisation focusing on the approach, which is applied by the IDMS group at BAM. Emphasis is placed on IDMS measurements of highest analytical quality. Basic principles as well as the equation system are being recalled. Different calibration strategies, such as single, double or triple IDMS, are critically reviewed and the achievable uncertainties are discussed. Differences in the a… Show more

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Cited by 86 publications
(122 citation statements)
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“…1, similar Cl isotope ratios were observed for 1 -10 mg kg -1 Cl standard solution and their relative standard deviations (%RSDs) obtained were 0.2 -0.5% which provided enough precisions for such studies as stable isotope tracers, 2,5,6 nuclear chemistry 7,8,10 and quantitative analysis of elements by IDMS. [23][24][25][26][27][28][29] The observed isotope ratios of ca. 2.83 revealed -9.6% deviation from the theoretical value of 3.13.…”
Section: Isotope Ratio Measurements Carried Out By Icp-sfmsmentioning
confidence: 94%
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“…1, similar Cl isotope ratios were observed for 1 -10 mg kg -1 Cl standard solution and their relative standard deviations (%RSDs) obtained were 0.2 -0.5% which provided enough precisions for such studies as stable isotope tracers, 2,5,6 nuclear chemistry 7,8,10 and quantitative analysis of elements by IDMS. [23][24][25][26][27][28][29] The observed isotope ratios of ca. 2.83 revealed -9.6% deviation from the theoretical value of 3.13.…”
Section: Isotope Ratio Measurements Carried Out By Icp-sfmsmentioning
confidence: 94%
“…3,4,21,22 Isotope ratio measurement is also important for the production of accurate analytical results in trace element determinations by isotope dilution mass spectrometry (IDMS). [23][24][25][26][27][28][29] Isotope ratio measurements have traditionally been carried out by isotope ratio mass spectrometry (IRMS) 3,12,13,20,22 and by thermal ionization mass spectrometry (TIMS). 4,8,14,20 Disciplines of IRMS are the ability to accurately and precisely measure variations in the abundance of isotope ratios of light elements such as H, C, N, O and S. On the other hand, TIMS can cover the whole range of elements from Li to U except for the gaseous elements measured by IRMS.…”
Section: Introductionmentioning
confidence: 99%
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“…In analytical chemistry and biochemistry, where high accuracy is required, isotope dilution mass spectrometry (IDMS) is employed [9,10]. Elements with two or more stable isotopes may be quantified by IDMS, which uses an artificially enriched isotope (called spike) as an internal standard.…”
Section: Introductionmentioning
confidence: 99%
“…Detailed information about isotope dilution can be found in the literature. 31,34,35 For the calculation of the mass fraction of the analysed element in the sample, modied isotope dilution 31 formulae were used.…”
mentioning
confidence: 99%