Table 4. Apparent Molar Volume (ϕV0), Viscosity (B), and Viscosity (A) Coefficient and Molar Refraction (RM0) of the β-CD + Dyphylline + H2O System in Aqueous β-CD Solutions of Mass Fractions W1 = 0.001, 003, and 0.005 at Temperatures 298.15, 303.15, and 308.15 K.
| temperature T (Kb) | ϕV0 × 106 (m3 mol–1) | SV0 × 106 (m3 mol–3/2 kg1/2) | B (dm3 mol–1) | A (dm3/2 mol–1/2) | RM0 (m3 mol–1) |
|---|---|---|---|---|---|
| W1 = 0.001a | (β-CD + dyphylline + H2O) system | ||||
| 298.15 | 178.20 | –6.1279 | 0.4036 | 0.0486 | 52.313 |
| 303.15 | 179.51 | –7.7966 | 0.4651 | 0.0446 | 52.422 |
| 308.15 | 180.95 | –11.8980 | 0.5457 | 0.0403 | 52.553 |
| W1 = 0.003a | (β-CD + dyphylline + H2O) system | ||||
| 298.15 | 183.82 | –13.0490 | 0.4469 | 0.0464 | 52.330 |
| 303.15 | 185.52 | –17.9310 | 0.4948 | 0.0421 | 52.454 |
| 308.15 | 188.10 | –29.1750 | 0.5895 | 0.0357 | 52.576 |
| W1 = 0.005a | (β-CD + dyphylline + H2O) system | ||||
| 298.15 | 189.70 | –22.9850 | 0.5025 | 0.0413 | 52.384 |
| 303.15 | 192.92 | –34.2720 | 0.5313 | 0.0392 | 52.479 |
| 308.15 | 195.77 | –41.0290 | 0.6542 | 0.0286 | 52.592 |
Mass fractions of CDP in the aqueous solution; standard uncertainty in molality u (m) = ±0.0001 mol kg–1.
Standard uncertainty in temperature u (T) = ± 0.01 K. Standard uncertainty in pressure u (p) = ±0.01 MPa.