Equilibration Concentrations of the Model Compounds, Plasticized PVC Material
| Compound | Code | Measured Concentration in the Donor Solutions (ppm) | |||
|---|---|---|---|---|---|
| Initial | Week 1 | Week 2 | Week 3 (1) | ||
| Acetanilide | AD | 10.2 | 5.2 | 5.0 | 5.1 (5.2) |
| Benzoic acid | BA | 10.0 | 2.2 | 1.8 | 1.8 (1.8) |
| 4-methylbenzyl alcohol | MBOH | 10.2 | 2.5 | 2.5 | 2.5 (2.5) |
| Benzyl alcohol | BAL | 10.0 | 9.3 | 9.3 | 9.3 (9.2) |
| Ethyl 4-aminobenzoate | EAB | 9.99 | 6.2 | 5.8 | 5.8 (4.8) |
| Ethyl 4-hydroxybenzoate (ethyl paraben) | EHB | 10.2 | 6.2 | 5.5 | 5.5 (5.1) |
| Dimethyl phthalate | DMP | 10.0 | 4.3 | 3.6 | 3.6 (3.3) |
| p-Toluic acid (4-Methyl benzoic acid) | MBA | 10.0 | 8.4 | 8.2 | 8.2 (8.4) |
| 4-Ethylbenzoic acid | EBA | 10.0 | 6.6 | 6.2 | 6.2 (6.2) |
| Butyl 4-aminobenzoate | BAB | 10.0 | 2.9 | 2.4 | 2.4 (1.8) |
| Diethyl phthalate | DEP | 9.98 | 2.5 | 2.1 | 2.1 (2.0) |
Note: (1) The results in the parentheses were obtained using single-compound samples. The rest of the data was obtained from compound groups.