An Interaction of Anionic- and Cationic-Rich Mixed Surfactants in Aqueous Medium through Physicochemical Properties at Three Different Temperatures
Table 2
Relative viscosity () 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
1.0245
1.0828
0.6281
0.000096
1.4596
0.9800
2.7704
0.000240
1.3026
1.0026
1.1631
0.000480
1.7872
0.9961
1.9515
0.000672
1.2815
0.8303
1.3448
0.000792
1.0601
1.2297
1.2073
0.000960
1.1046
1.0402
0.7981
0.006011
1.0234
1.1561
0.7698
0.007200
1.2651
1.1661
0.8053
0.007920
1.3315
1.4613
0.8415
0.009000
1.2510
1.4196
0.7796
0.010800
1.3326
1.1678
1.3417
0.012000
1.2202
2.4387
0.8836
DTAB-rich
0.010000
1.0858
0.4814
1.1978
0.000864
2.4619
1.6787
0.7013
0.000960
2.8325
2.2650
0.7551
0.001536
2.8749
1.8171
0.7718
0.002016
2.8246
2.8142
0.7288
0.002496
3.6614
4.6162
0.7161
0.002976
6.8520
5.8893
0.7620
0.003264
2.3537
8.9771
0.7392
0.003600
1.1194
1.0365
0.8286
0.005040
3.2060
1.7780
1.0040
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.
