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- W3141662119 abstract "In order to ascertain the geochemistry of trace elements in the No.2 coal seam at Datong coalfield’s Qifengshan coalmine,the contents of 15 kinds of trace elements in coal were determined by Inductively Coupled Plasma Mass Spectrometry(ICP-MS),the mineral composition characteristics were observed through optical microscope and the X-ray Diffraction(XRD) method,and the organic affinity and occurrence of trace elements were then analyzed based on statistics.The results show that the contents of most trace elements in the No.2 coal seam,which is deposited under a continental environment,is lower than that in North China or China coal,and only the elements of As,Re,Mo,Se have enrichment factors higher than six.Mo is a strong organic affinity element;Be,W,Tl and Co are organic affinity elements;As,Th,Se,Sb,Ni,Li and Bi are inorganic-organic affinity elements;Pb,Re and Sc have no organic affinity.The Alluminosilicate fractionation,organic combination,carbonate and inorganic compounds forms are the dominant occurrences for these trace elements in coal." @default.
- W3141662119 created "2021-04-13" @default.
- W3141662119 creator A5063293456 @default.
- W3141662119 date "2013-01-01" @default.
- W3141662119 modified "2023-09-25" @default.
- W3141662119 title "The geochemistry of trace elements in the No.2 coal seam of Qifengshan coalmine at Datong coalfield" @default.
- W3141662119 hasPublicationYear "2013" @default.
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