[PENDING] Use of passive stir bar sorptive extraction as a simple integrative sampling technique of pesticides in freshwaters: determination of sampling rates and lag-phases

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Table 1 Mean water concentrations (n = 16), limits of quantification (LQ) reached by the 431

Table 2 Passive SBSE sampling rates (R s ) derived from flow-through calibration for 7 days at 438

Fig. 1 Schematized flow-through system for calibration of passive SBSE. Triplicates of 453

Fig. 2 Uptake curves of (a) insecticides, (b) fungicides and (c) herbicide in Twisters during 460

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