Table 3.
Selectivity coefficients (−logKHPO4,J) as a function of lipophilicity for 13 interferents.
| Plast. | logKLipo | Cl− | NO3− | I− | F− | Cit3− | SO42− | SCN− | Ace− | Lac− | BTP− | B-T− | Br− | HEPES |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMF | −0.6 | 1.88 | 1.08 | 1.16 | 0.55 | −0.75 | 0.07 | 0.59 | 0.87 | 0.84 | 0.35 | 0.98 | 0.46 | 1.11 |
| NPOE | 2.3 | 2.46 | 1.63 | 2.30 | 1.17 | −0.55 | 0.56 | 1.19 | 1.63 | 1.65 | 0.98 | 1.65 | 1.19 | 1.76 |
| DBP | 3.6 | 3.41 | 2.42 | 2.00 | 2.87 | −0.54 | 0.93 | 2.00 | 3.41 | 3.19 | 1.11 | 3.35 | 0.33 | 2.95 |
| TEHP | 4.4 | 2.74 | 2.33 | 2.24 | 1.12 | −0.58 | 0.51 | 1.26 | 1.70 | 1.79 | 1.35 | 2.09 | 0.98 | 1.65 |
| DBS | 4.6 | 2.46 | 1.77 | 2.01 | 1.05 | −0.58 | 1.07 | 1.48 | 1.98 | 2.03 | 1.45 | 2.17 | 1.23 | 1.97 |
| BEHS | 6.9 | 2.49 | 2.31 | 2.38 | 1.13 | −0.57 | 0.52 | 1.40 | 1.91 | 1.96 | 1.41 | 2.16 | 1.17 | 1.74 |