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Journal of Analytical Science and Technology
Fig. 5 | Journal of Analytical Science and Technology

Fig. 5

From: Determination of copper(II) by flame atomic absorption spectrometry after its perconcentration by a highly selective and environmentally friendly dispersive liquid–liquid microextraction technique

Fig. 5

Effect of disperser solvent volume on the extraction of Cu(II) ions by DLLME method. Conditions: sample volume, 10.0 mL; Cu(II), 50.0 μg L−1; solution pH = 2.0; salophen concentration, 2.0 × 10−5 M; diluting solvent, ethanol; centrifuge time, 5 min (at 5000 rpm)

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