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J. Braz. Chem. Soc. vol.26 número10

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Academic year: 2018

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Figure 1. Sequential injection manifold to perform SI-SWV; C = carrier  (0.10 mol L -1  H 2 SO 4 ); SV = syringe valve; SP = syringe pump;
Table 1. Free concentrations of picloram found in the soil extracts by the proposed SI-SWV compared to those obtained by HPLC-UV after 24 h of contact  time between the soil with the herbicide solution (soil to solution ratio of 200 mg mL -1 )
Figure 3. Adsorption isotherm of picloram (25.0 ± 0.5  o C) obtained using  a soil to solution ratio of 200 mg mL -1

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