Figures & data
Figure 1. Resonating structure of piperine.
Table 1. Ultrasonic velocities (U), densities (ρ), and viscosities (η) for ZnCl2 + Piper nigrum system at 308.15 and 313.15, 318.15, 323.15, 328.15, and 333.15 K
Figure 2a. Ultrasonic velocity (U) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Figure 2b. Density (ρ) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K
Figure 2c. Viscosity (η) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Figure 3a. Adiabatic compressibility (β) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Table 2. Adiabatic compressibilities (β)/10–10 kg−1 ms2, intermolecular free lengths (Lf) /10–11 m, specific acoustic impedance (Z)/105 Kgm−2 s−1, relaxation amplitude (α/f2)/10–14 Npm−1 s2, and relaxation time (τ) / 10–12 s for ZnCl2 + Piper nigrum system at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K
Figure 3b. Intermolecular free length (Lf) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Figure 3c. Specific acoustic impedance (Z) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Figure 3d. Relaxation time (τ) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
Figure 3e. Relaxation amplitude (α/f2) for ZnCl2 + Piper nigrum at 308.15, 313.15, 318.15, 323.15, 328.15, and 333.15 K.
