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MOLECULAR ACTIVATION-ANALYSIS FOR IRIDIUM
Chai ZF(柴之芳); Kong P(孔屏); CHAI, CF; KONG, P; MAO, XY; MA, SL
1995
Source PublicationJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES
Volume192Issue:1Pages:#REF!
Corresponding AuthorCHAI, CF (reprint author), ACAD SINICA,INST HIGH ENERGY PHYS,POB 2732,BEIJING 100080,PEOPLES R CHINA.
SubtypeArticle; Proceedings Paper
AbstractMolecular activation analysis (MAA) of iridium in geological samples, based on a combination of a newly-developed chemical sequential dissolution method and radiochemical and instrumental NAA, was described to study the distribution pattern and chemical species of iridium in various fractions ( soluble carbonate, metal, sulfide, oxide, silicate and acid-insoluble residue) of geological boundary samples, meteorites, ultrabasic rock and volcanic lava. The correlations of Ir with Au, Os, siderophile, chalcophile and lithophile elements were discussed. In addition, the role of kerogen and noble-nugget in the Ir enrichment was scrutinized. The MAA results of Ir favors a mixed effect of asteroid impact, volcanic eruption and post-depositional redistribution to interpret the extant Ir anomaly at Cretaceous-Tertiary boundary layer.
Subject AreaChemistry; Nuclear Science & Technology
DOI10.1007/BF02037742
Indexed BySCI
WOS SubjectChemistry, Analytical ; Chemistry, Inorganic & Nuclear ; Nuclear Science & Technology
WOS IDWOS:A1995QZ71400013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/226146
Collection院士
Recommended Citation
GB/T 7714
Chai ZF,Kong P,CHAI, CF,et al. MOLECULAR ACTIVATION-ANALYSIS FOR IRIDIUM[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES,1995,192(1):#REF!.
APA 柴之芳,孔屏,CHAI, CF,KONG, P,MAO, XY,&MA, SL.(1995).MOLECULAR ACTIVATION-ANALYSIS FOR IRIDIUM.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES,192(1),#REF!.
MLA 柴之芳,et al."MOLECULAR ACTIVATION-ANALYSIS FOR IRIDIUM".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 192.1(1995):#REF!.
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