Extraction of trace elements in coal for determination by inductively coupled plasma-optical emission spectrometry using N,N-dimethylformamide and ultrasound
2012 ◽
Vol 76
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pp. 147-151
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2011 ◽
Vol 66
(9-10)
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pp. 733-739
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2014 ◽
Vol 96
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pp. 1-7
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2017 ◽
Vol 9
(4)
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pp. 1699-1711
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2018 ◽
Vol 69
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pp. 45-52
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2006 ◽
Vol 386
(6)
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pp. 1855-1862
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2005 ◽
Vol 536
(1-2)
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pp. 213-218
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