Table 2.
The day at which the simulated lung fluid (SLF) changed with regards to its appearance and physicochemical properties (tested at days 1, 2, 3, 4, 7, 14, 28) under storage at 4, 20 and 37 °C.
| Physicochemical property | Day at which there is a significant differencea from day 0 [day] |
||
|---|---|---|---|
| 4 °C | 20 °C | 37 °C | |
| Appearance [mean grey value] | 28 | 3 | 2 |
| pH | 28 | 3 | 3 |
| Conductivity [mS/m] | 28 | 3 | 2 |
| Viscosity [Pa.s x 10−3] | 28 | 4 | 3 |
| Surface Tension [mN/m] | 28 | 4 | 2 |
| Stability | 14 days | 2 days | 1 day |
a
Significance determined by One-way ANOVA, p ≤ 0.05.