Table 3.
The as -received purity and the method used to purify the samples further in situ.
| chemical name CAS | source | initial mole fraction purity | purification method | final mole fraction purity | analysis method |
|---|---|---|---|---|---|
| naphthalene a 91-20-3 |
Sigma Aldrich | 0.997 | vacuum sublimation | e PB/PVA < 0.05 | Eq. (15) |
| ferrocene b 102-54-5 |
Aldrich | 0.998 | vacuum sublimation | e PB/PVA < 0.05 | Eq. (15) |
| diethyl phthalate c 84-66-2 |
Sigma Aldrich | 0.995 | cyclic pumping | e PB/PVA < 0.05 | Eq. (15) |
| TEMAH d 352535-01-4 |
SAFC Hitech | 0.990 | cyclic pumping | f 0.03 < PB/PVA < 0.18 | Eq. (18) |