Development of coupled ultrasound-assisted and reversed-phase dispersive liquid-liquid microextraction before high-performance liquid chromatography for the sensitive determination of vitamin A and vitamin E in oil samples
2015 ◽
Vol 38
(18)
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pp. 3254-3261
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2009 ◽
Vol 1216
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pp. 6636-6641
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2011 ◽
Vol 879
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pp. 3429-3433
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2014 ◽
Vol 31
(2)
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pp. 155-161
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2014 ◽
Vol 37
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pp. 3347-3353
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2013 ◽
Vol 1300
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pp. 31-37
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2014 ◽
Vol 38
(2)
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pp. 309-315
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