Occurrence and enrichment of trace elements Pb and Se of 5# coal seam from Gequan mine, Xingtai coalfield
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Abstract:
Occurtence and enrichment of Pb and Se in coal seam from Gequan Mine of Xingtai Coalfield were analyzed by using inductively coupled plasma mass spectrometry ( ICP-MS) to determine the cont- ents of Pb and Se in the coal, and using scanning electron microscope (SEM) and optical microscopy to observe pyrite and test vitrinite reflectance of the coal sample. The results show that the average concentra- tion of Pb is 29.13μg/g and Se 3.99μg/g, which are both higher than those from Norih China, Guizhou Province and USA; the enrichment factors,up to 1.94 and 33.27 respectively, and mainly enriched in pyrite.
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YU Hai-cheng, DUAN Du-juan, XU Jing, ZHAO Jing. Occurrence and enrichment of trace elements Pb and Se of 5# coal seam from Gequan mine, Xingtai coalfield[J].,2010,27(3):54-56