The performance of single and multi-collector ICP-MS instruments for fast and reliable 34S/32S isotope ratio measurements

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The performance of single and multi-collector ICP-MS instruments for fast and reliable 34S/32S isotope ratio measurements. / Hanousek, Ondrej; Brunner, Marion; Pröfrock, Daniel et al.
In: Analytical Methods, Vol. 8.2016, No. 42, 14.11.2016, p. 7661-7672.

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Hanousek, Ondrej ; Brunner, Marion ; Pröfrock, Daniel et al. / The performance of single and multi-collector ICP-MS instruments for fast and reliable 34S/32S isotope ratio measurements. In: Analytical Methods. 2016 ; Vol. 8.2016, No. 42. pp. 7661-7672.

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@article{c3e54925fb214c5ea57981621cf5fd80,
title = "The performance of single and multi-collector ICP-MS instruments for fast and reliable 34S/32S isotope ratio measurements",
abstract = "The performance and validation characteristics of different single collector inductively coupled plasma mass spectrometers based on different technical principles (ICP-SFMS, ICP-QMS in reaction and collision modes, and ICP-MS/MS) were evaluated in comparison to the performance of MC ICP-MS for fast and reliable S isotope ratio measurements. The validation included the determination of LOD, BEC, measurement repeatability, within-lab reproducibility and deviation from certified values as well as a study on instrumental isotopic fractionation (IIF) and the calculation of the combined standard measurement uncertainty. Different approaches of correction for IIF applying external intra-elemental IIF correction (aka standard-sample bracketing) using certified S reference materials and internal inter-elemental IIF (aka internal standardization) correction using Si isotope ratios in MC ICP-MS are explained and compared. The resulting combined standard uncertainties of examined ICP-QMS systems were not better than 0.3–0.5% (uc,rel), which is in general insufficient to differentiate natural S isotope variations. Although the performance of the single collector ICP-SFMS is better (single measurement uc,rel = 0.08%), the measurement reproducibility (>0.2%) is the major limit of this system and leaves room for improvement. MC ICP-MS operated in the edge mass resolution mode, applying bracketing for correction of IIF, provided isotope ratio values with the highest quality (relative combined measurement uncertainty: 0.02%; deviation from the certified value: ",
author = "Ondrej Hanousek and Marion Brunner and Daniel Pr{\"o}frock and Johanna Irrgeher and Thomas Prohaska",
year = "2016",
month = nov,
day = "14",
doi = "10.1039/c6ay02177h",
language = "English",
volume = "8.2016",
pages = "7661--7672",
journal = "Analytical Methods",
issn = "1759-9660",
publisher = "Royal Society of Chemistry",
number = "42",

}

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TY - JOUR

T1 - The performance of single and multi-collector ICP-MS instruments for fast and reliable 34S/32S isotope ratio measurements

AU - Hanousek, Ondrej

AU - Brunner, Marion

AU - Pröfrock, Daniel

AU - Irrgeher, Johanna

AU - Prohaska, Thomas

PY - 2016/11/14

Y1 - 2016/11/14

N2 - The performance and validation characteristics of different single collector inductively coupled plasma mass spectrometers based on different technical principles (ICP-SFMS, ICP-QMS in reaction and collision modes, and ICP-MS/MS) were evaluated in comparison to the performance of MC ICP-MS for fast and reliable S isotope ratio measurements. The validation included the determination of LOD, BEC, measurement repeatability, within-lab reproducibility and deviation from certified values as well as a study on instrumental isotopic fractionation (IIF) and the calculation of the combined standard measurement uncertainty. Different approaches of correction for IIF applying external intra-elemental IIF correction (aka standard-sample bracketing) using certified S reference materials and internal inter-elemental IIF (aka internal standardization) correction using Si isotope ratios in MC ICP-MS are explained and compared. The resulting combined standard uncertainties of examined ICP-QMS systems were not better than 0.3–0.5% (uc,rel), which is in general insufficient to differentiate natural S isotope variations. Although the performance of the single collector ICP-SFMS is better (single measurement uc,rel = 0.08%), the measurement reproducibility (>0.2%) is the major limit of this system and leaves room for improvement. MC ICP-MS operated in the edge mass resolution mode, applying bracketing for correction of IIF, provided isotope ratio values with the highest quality (relative combined measurement uncertainty: 0.02%; deviation from the certified value:

AB - The performance and validation characteristics of different single collector inductively coupled plasma mass spectrometers based on different technical principles (ICP-SFMS, ICP-QMS in reaction and collision modes, and ICP-MS/MS) were evaluated in comparison to the performance of MC ICP-MS for fast and reliable S isotope ratio measurements. The validation included the determination of LOD, BEC, measurement repeatability, within-lab reproducibility and deviation from certified values as well as a study on instrumental isotopic fractionation (IIF) and the calculation of the combined standard measurement uncertainty. Different approaches of correction for IIF applying external intra-elemental IIF correction (aka standard-sample bracketing) using certified S reference materials and internal inter-elemental IIF (aka internal standardization) correction using Si isotope ratios in MC ICP-MS are explained and compared. The resulting combined standard uncertainties of examined ICP-QMS systems were not better than 0.3–0.5% (uc,rel), which is in general insufficient to differentiate natural S isotope variations. Although the performance of the single collector ICP-SFMS is better (single measurement uc,rel = 0.08%), the measurement reproducibility (>0.2%) is the major limit of this system and leaves room for improvement. MC ICP-MS operated in the edge mass resolution mode, applying bracketing for correction of IIF, provided isotope ratio values with the highest quality (relative combined measurement uncertainty: 0.02%; deviation from the certified value:

UR - http://www.scopus.com/inward/record.url?scp=84994173022&partnerID=8YFLogxK

U2 - 10.1039/c6ay02177h

DO - 10.1039/c6ay02177h

M3 - Article

AN - SCOPUS:84994173022

VL - 8.2016

SP - 7661

EP - 7672

JO - Analytical Methods

JF - Analytical Methods

SN - 1759-9660

IS - 42

ER -