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. 2022 Sep 26;56(20):14507–14516. doi: 10.1021/acs.est.2c05108

Table 2. Data from the Release Kinetics of PVC Microplasticsa.

  DEHP38% DEHP33% DOTP35% DOTP24% DINP39% DINP23%
slope (μg d–1) 0.122 0.101 0.056 0.021 0.030 0.014
slope (μg d–1 gPVC–1) 1.43 1.18 0.655 0.246 0.351 0.164
intercept y-axis (μg) 0.434 0.432 0.347 0.342 0.269 0.242
R2 0.990 0.981 0.996 0.995 0.993 0.955
a

Given are the slope of the regression line (= leaching rate), the intercept with the y-axis (= instantaneously leached mass of phthalates), and R2-values for the fit for each PVC microplastic.