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Comparison of Ultrafine Powder Pellet and Flux-free Fusion Glass for Bulk Analysis of Granitoids by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry
Wu, Shitou1,2; Karius, Volker1; Schmidt, Burkhard C.1; Simon, Klaus1; Woerner, Gerhard1
2018-12-01
发表期刊GEOSTANDARDS AND GEOANALYTICAL RESEARCH
ISSN1639-4488
卷号42期号:4页码:575-591
摘要Two sample preparation techniques (ultrafine powder pellet and flux-free fusion glass) for LA-ICP-MS bulk analysis of granitoids were compared. Ultrafine powder particles produced by wet milling were characterised as d(50): similar to 1.0 mu m, d(90): similar to 5.0 mu m. Agate abrasion (balls and vial) during wet milling affects only SiO2 measurements and is negligible for other elements. For the flux-free fusion glass, a second grinding of the initial fused glass and re-melting were necessary to produce compositionally homogeneous glasses. Nickel and Cu can be contaminated during the fusion procedure, and Sn and Pb were depleted after the melting process. The homogeneity of fusion glasses was comparable to that of MPI-DING glasses, while the powder pellets were less homogeneous. This heterogeneity is ascribed to large (up to 10 mu m) crystal fragments (e.g., biotite) persisting in powders even after 45 min of milling. For most elements of interest, both preparation techniques give reliable LA-ICP-MS results of granitoid reference materials within 10% of the reference values. Thus, we can recommend both techniques to avoid common problems associated with acid dissolution ICP-MS. For high-precision measurements (especially Zr, Hf, Th and U), the flux-free fusion glass technique is a better choice than ultrafine powder pellets.
关键词LA-ICP-MS granitoid ultrafine powder pellet flux-free fusion bulk analysis wet milling
DOI10.1111/ggr.12230
资助者China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council
关键词[WOS]LA-ICP-MS ; TRACE-ELEMENT ANALYSIS ; IRIDIUM-STRIP HEATER ; WHOLE-ROCK GLASSES ; NIST SRM GLASSES ; GEOLOGICAL-MATERIALS ; SILICATE ROCKS ; RAPID-DETERMINATION ; USGS ; FRACTIONATION
语种英语
资助项目China Scholarship Council[201306410007]
资助者China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council ; China Scholarship Council
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000452527400011
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90295
专题岩石圈演化国家重点实验室
通讯作者Wu, Shitou
作者单位1.Gottingen Univ, Geowissensch Zentrum, D-37077 Gottingen, Germany
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Wu, Shitou,Karius, Volker,Schmidt, Burkhard C.,et al. Comparison of Ultrafine Powder Pellet and Flux-free Fusion Glass for Bulk Analysis of Granitoids by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2018,42(4):575-591.
APA Wu, Shitou,Karius, Volker,Schmidt, Burkhard C.,Simon, Klaus,&Woerner, Gerhard.(2018).Comparison of Ultrafine Powder Pellet and Flux-free Fusion Glass for Bulk Analysis of Granitoids by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,42(4),575-591.
MLA Wu, Shitou,et al."Comparison of Ultrafine Powder Pellet and Flux-free Fusion Glass for Bulk Analysis of Granitoids by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry".GEOSTANDARDS AND GEOANALYTICAL RESEARCH 42.4(2018):575-591.
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