Determination of (ultra)trace amounts of lead in biological materials by on-line coupling flow injection microcolumn separation and preconcentration to electrothermal atomic absorption spectrometry using a macrocycle immobilized silica gel sorbent
1999 ◽
Vol 14
(10)
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pp. 1625-1629
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1991 ◽
Vol 6
(8)
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pp. 615
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1996 ◽
Vol 51
(14)
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pp. 1891-1908
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1991 ◽
Vol 6
(4)
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pp. 295
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1998 ◽
Vol 53
(10)
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pp. 1371-1379
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