Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Evaluation of simultaneous analyte leaching/vapour phase introduction for direct os isotope ratio measurements in solid samples by double focusing sector field ICP-MS
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0003-4505-4590
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering.
2007 (English)In: Geostandards and Geoanalytical Research, ISSN 1639-4488, E-ISSN 1751-908X, Vol. 31, no 1, p. 27-38Article in journal (Refereed) Published
Abstract [en]

The analytical performance of a hyphenated method for Os isotope ratio measurements by double focusing, sector field ICP-MS (ICP-SFMS) was evaluated. The method is based on several optimised, concurrent processes: Os extraction from samples in hot concentrated nitric acid; separation of Os from the digest solution by formation of volatile osmium tetroxide accelerated by continuous hydrogen peroxide addition; transport of analyte vapour by an oxygen flow into the ICP; and isotopic analysis by ICP-SFMS. Due to the very efficient analyte utilisation (in excess of 0.5‰), isotope ratio measurement can be performed at low pg Os levels. Combined with the ability to process sample sizes up to 2 g (up to 50 g if the organic matrix of biological or botanical samples is eliminated by ashing), materials with Os concentrations in the low, or even sub-pg g-1 range can be analysed by the method. Given that two complete digestion/distillation systems are available for interchangeable use, throughputs of up to 15 samples per 8-hour shift can be achieved. The method precision, evaluated as the long-term reproducibility of 187Os/188Os ratio measurements in a commercial Os standard containing 0.5 ng Os, was 0.16% relative standard deviation (RSD, 1 s). The method has been applied to perform replicate 187Os/188Os ratio measurements in a suite of 50 reference materials of various origins and matrix compositions, with Os concentrations varying from <0.1 pg g-1 to >100 ng g-1, yielding an average precision of 3% RSD. Though none of the materials tested are certified for Os content or Os isotope composition, comparison of the obtained data with published Os isotope information for similar sample types revealed close agreement between the two. The method can also be used for the simultaneous, semi-quantitative approximation of Os concentrations.

Place, publisher, year, edition, pages
2007. Vol. 31, no 1, p. 27-38
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
URN: urn:nbn:se:ltu:diva-10737DOI: 10.1111/j.1751-908X.2007.00835.xISI: 000246235000004Scopus ID: 2-s2.0-33947674195Local ID: 994b0310-7591-11dc-824d-000ea68e967bOAI: oai:DiVA.org:ltu-10737DiVA, id: diva2:983684
Note
Validerad; 2007; 20071008 (emmeng)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Authority records BETA

Rodushkin, IlyaEngström, EmmaBaxter, Douglas

Search in DiVA

By author/editor
Rodushkin, IlyaEngström, EmmaBaxter, Douglas
By organisation
Geosciences and Environmental EngineeringDepartment of Civil, Environmental and Natural Resources Engineering
In the same journal
Geostandards and Geoanalytical Research
Geochemistry

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 35 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf