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Article: Determination of platinum-group elements in OPY-1: Comparison of results using different digestion techniques

TitleDetermination of platinum-group elements in OPY-1: Comparison of results using different digestion techniques
Authors
KeywordsCarius tube
GeoPT 20
ICP-MS
OPY-1
PGE
Issue Date2008
PublisherBlackwell Publishing, Inc. The Journal's web site is located at http://www.crpg.cnrs-nancy.fr/Geostandards/
Citation
Geostandards And Geoanalytical Research, 2008, v. 32 n. 3, p. 377-387 How to Cite?
AbstractA new proficiency testing sample, OPY-1 (ultramafic rock), the basis of the twentieth international proficiency test of analytical geochemistry laboratories (Geo PT 20), was recently prepared by the International Association of Geoanalysts (IAG). This paper reports analytical data for Os, Ir, Ru, Rh, Pt and Pd with different digestion techniques, including an improved Carius tube, Carius tube combined with HF dissolution and alkaline fusion. About 4-15% of the PGEs are in the silicate phase, which cannot be leached by aqua regia even when digested at 300 °C with the Carius tube technique. Both the Carius tube technique combined with HF dissolution and alkaline fusion can obtain reliable data. The results demonstrated that OPY-1 is sufficiently homogeneous at a 2 g test portion level to be suitable as a reference material for method validation. The procedure for sealing the Carius tube was simplified and the recommended digestion procedures are provided. © 2008 The Authors. Journal compilation © 2008 International Association of Geoanalysts.
Persistent Identifierhttp://hdl.handle.net/10722/73095
ISSN
2015 Impact Factor: 2.885
2015 SCImago Journal Rankings: 1.258
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorQi, Len_HK
dc.contributor.authorZhou, MFen_HK
dc.date.accessioned2010-09-06T06:48:00Z-
dc.date.available2010-09-06T06:48:00Z-
dc.date.issued2008en_HK
dc.identifier.citationGeostandards And Geoanalytical Research, 2008, v. 32 n. 3, p. 377-387en_HK
dc.identifier.issn1639-4488en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73095-
dc.description.abstractA new proficiency testing sample, OPY-1 (ultramafic rock), the basis of the twentieth international proficiency test of analytical geochemistry laboratories (Geo PT 20), was recently prepared by the International Association of Geoanalysts (IAG). This paper reports analytical data for Os, Ir, Ru, Rh, Pt and Pd with different digestion techniques, including an improved Carius tube, Carius tube combined with HF dissolution and alkaline fusion. About 4-15% of the PGEs are in the silicate phase, which cannot be leached by aqua regia even when digested at 300 °C with the Carius tube technique. Both the Carius tube technique combined with HF dissolution and alkaline fusion can obtain reliable data. The results demonstrated that OPY-1 is sufficiently homogeneous at a 2 g test portion level to be suitable as a reference material for method validation. The procedure for sealing the Carius tube was simplified and the recommended digestion procedures are provided. © 2008 The Authors. Journal compilation © 2008 International Association of Geoanalysts.en_HK
dc.languageengen_HK
dc.publisherBlackwell Publishing, Inc. The Journal's web site is located at http://www.crpg.cnrs-nancy.fr/Geostandards/en_HK
dc.relation.ispartofGeostandards and Geoanalytical Researchen_HK
dc.subjectCarius tubeen_HK
dc.subjectGeoPT 20en_HK
dc.subjectICP-MSen_HK
dc.subjectOPY-1en_HK
dc.subjectPGEen_HK
dc.titleDetermination of platinum-group elements in OPY-1: Comparison of results using different digestion techniquesen_HK
dc.typeArticleen_HK
dc.identifier.emailZhou, MF:mfzhou@hkucc.hku.hken_HK
dc.identifier.authorityZhou, MF=rp00844en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1751-908X.2008.00893.xen_HK
dc.identifier.scopuseid_2-s2.0-53249132726en_HK
dc.identifier.hkuros167299en_HK
dc.identifier.hkuros153180-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-53249132726&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume32en_HK
dc.identifier.issue3en_HK
dc.identifier.spage377en_HK
dc.identifier.epage387en_HK
dc.identifier.isiWOS:000259680900012-
dc.publisher.placeFranceen_HK
dc.identifier.scopusauthoridQi, L=7202149924en_HK
dc.identifier.scopusauthoridZhou, MF=7403506005en_HK

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