Solid phase extraction method for the separation and determination of chromium(III) in the presence of chromium(VI) using silica gel modified by N,N′-bis-(α-methylsalicylidene)-2,2-dimethyl-1,3-propanediimine
2011 ◽
Vol 707
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2004 ◽
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1997 ◽
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2008 ◽
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pp. 136-144
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pp. 3427-3434
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