Ultratrace determination of lead, cadmium and copper in environmental and biological samples by atomic absorption spectrometry after their separation and preconcentration using octadecyl silica membrane disks modified with a new n–s schiff base
2003 ◽
Vol 83
(12)
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pp. 997-1008
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2008 ◽
Vol 63
(8)
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pp. 885-888
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2003 ◽
Vol 83
(4)
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pp. 327-341
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2002 ◽
Vol 28
(2)
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pp. 141-147
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2007 ◽
Vol 25
(11)
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pp. 1663-1668
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2007 ◽
Vol 25
(12)
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pp. 1859-1865
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1996 ◽
Vol 51
(14)
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pp. 1867-1873
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2000 ◽
Vol 405
(1-2)
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pp. 179-183
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