Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of pesticides in water by Carbopak-B solid-phase extraction and high-preformance liquid chromatography
Keyword(s):
The U.S
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2001 ◽
2002 ◽
1997 ◽
Vol 777
(1)
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pp. 115-125
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Keyword(s):
2009 ◽
2015 ◽