An Interaction of Anionic- and Cationic-Rich Mixed Surfactants in Aqueous Medium through Physicochemical Properties at Three Different Temperatures
Table 8
Fractional volume () 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
0.0098
0.0331
−0.1488
0.000096
0.1838
−0.0080
0.7081
0.000240
0.1210
0.0010
0.0653
0.000480
0.3149
−0.0016
0.3806
0.000672
0.1126
−0.0679
0.1379
0.000792
0.0241
0.0919
0.0829
0.000960
0.0418
0.0161
−0.0808
0.006011
0.0094
0.0624
−0.0921
0.007200
0.1060
0.0664
−0.0779
0.007920
0.1326
0.1845
−0.0634
0.009000
0.1004
0.1678
−0.0882
0.010800
0.1330
0.0671
0.1367
0.012000
0.0881
0.5755
−0.0466
DTAB-rich
0.010000
0.0343
0.0791
−0.2075
0.000864
0.5848
−0.1195
0.2715
0.000960
0.7330
−0.0980
0.5060
0.001536
0.7499
−0.0913
0.3268
0.002016
0.7299
−0.1085
0.7257
0.002496
1.0646
−0.1136
1.4465
0.002976
2.3408
−0.0952
1.9557
0.003264
0.5415
−0.1043
3.1908
0.003600
0.0477
−0.0686
0.0146
0.005040
0.8824
0.0016
0.3112
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.