Serial mixed-mode cation- and anion-exchange solid-phase extraction for separation of basic, neutral and acidic pharmaceuticals in wastewater and analysis by high-performance liquid chromatography–quadrupole time-of-flight mass spectrometry
2009 ◽
Vol 1216
(1)
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pp. 49-62
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2016 ◽
Vol 119
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pp. 91-98
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2015 ◽
Vol 39
(6)
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pp. 444-450
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2002 ◽
Vol 50
(21)
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pp. 5816-5824
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2006 ◽
Vol 844
(1)
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pp. 53-59
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2005 ◽
Vol 19
(2)
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pp. 147-152
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