An Interaction of Anionic- and Cationic-Rich Mixed Surfactants in Aqueous Medium through Physicochemical Properties at Three Different Temperatures

Table 4

Acoustic impedance (/g·cm⁻²·s⁻¹) of SDS-rich and DTAB-rich surfactants in the aqueous medium at the three different temperatures T = 293.15, 298.15, and 303.15 K and at 0.1 MPa.

M (mol·L^−1)	293.15 K	298.15 K	303.15 K
	SDS-rich
0.005000	1481.77	1493.79	1498.87
0.000096	1481.90	1507.06	1504.04
0.000240	1482.03	1507.14	1504.12
0.000480	1482.02	1507.23	1504.21
0.000672	1481.93	1495.07	1504.28
0.000792	1481.94	1495.15	1504.31
0.000960	1481.89	1494.30	1503.99
0.006011	1481.31	1494.34	1503.56
0.007200	1482.11	1493.99	1502.86
0.007920	1480.60	1493.54	1503.57
0.009000	1481.86	1494.32	1503.72
0.010800	1481.76	1494.17	1504.16
0.012000	1482.45	1494.74	1504.81
	DTAB-rich
0.010000	1483.00	1495.30	1504.82
0.000864	1482.79	1480.63	1502.52
0.000960	1482.62	1494.48	1506.18
0.001536	1482.50	1494.53	1504.13
0.002016	1482.53	1494.60	1504.22
0.002496	1482.13	1494.52	1504.29
0.002976	1482.16	1494.48	1504.26
0.003264	1480.20	1492.06	1503.21
0.003600	1482.23	1494.31	1503.82
0.005040	1481.90	1493.87	1503.56

M (mol·L⁻¹) is SDS and DTAB molarity in solvents (±3 × 10⁻⁴ mol·L⁻¹) and standard uncertainties u are u(m) = 0.00001 mol·L⁻¹, u(T) = ±0.01 K, and u(p) = ±0.01 MPa.