Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 296, Issue 1-3, Pages 19-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0048-9697(01)01136-6
Keywords
coal samples; arsenic; selenium; distribution
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The contents of arsenic and selenium in 33 coals collected from the main coal mines in northeastern, northern and eastern China were determined by flow injection-hydride generation and non-dispersion atomic fluorescence spectrometry (HGAFS). The concentrations of As in the northeast region are relatively higher with the values >100 mug g(-1); in the east they are lower with values <100 mug g(-1). The contents of Se in these three areas are the opposite, most of them from the northeast mines are < 1 mug g(-1) and increase as the mine location advances south where the average contents are >5 mug g(-1). (C) 2002 Elsevier Science B.V. All rights reserved.
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