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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
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2017
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Article
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Fig 6
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Research Article
Magnetic Solid-Phase Extraction Using Fe
3
O
4
@SiO
2
Magnetic Nanoparticles Followed by UV-Vis Spectrometry for Determination of Paraquat in Plasma and Urine Samples
Figure 6
The effect of the elution time and the reusability.
(a)
(b)