Distribution patterns of phthalic acid esters in soil particle-size fractions determine biouptake in soil-cereal crop systems.

It should be noted that the ratio of the six priority PAEs to ΣPAE exhibited an increasing trend from 81.7 ± 7.7% to 90.1 ± 12.1% with soil depth ( Fig. 1c ), indicating that the six priority PAEs were more mobile relative to the non-priority PAEs, which may be explained by the relatively higher water solubility of DMP, DEP and DnBP.

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