Table 2 Parametrizations for binary surfactant solutions: surfactant apparent molal volume at infinite dilution, \(\phi _{2}^{\infty }\) in (cm3 mol− 1), surfactant apparent molal volume at the CMC ϕ2,cmc in (cm3 mol− 1), interaction parameter Bv in (cm3 mol− 2 kg), the change in volume during micellization \({\Delta } V^{\text {bin}}_{\text {Mic}}\) in (cm3 mol− 1) for the selected surfactants as a function of temperature, and the number of underlying experimental points N

From: Composition dependent density of ternary aqueous solutions of ionic surfactants and salts

\(\phi _{2}^{\infty }\) ϕ2,CMC Bv \({\Delta } V^{\text {bin}}_{\text {Mic}}\)
NaOcta, N = 5, Trange (K)= 288.15–308.15
0.19T + 76.47 0.234T + 64.49 \(\frac {0.5875T-174.6}{T-282.2}\) − 0.07T + 35.03
NaDeca: N = 10, Trange (K)= 283.15–328.15
0.2762T + 82.06 0.3004T + 75.65 0.002785T2 − 1.648T + 244.5 − 0.1107T + 44.5
NaDoda: N = 8, Trange (K)= 293.15–328.15
0.3053T + 106.4 0.3053T + 106.4 \(-35.26\exp {-\left (\frac {T-317.3}{7.893}\right )^{2}}+ 90.18\exp {-\left (\frac {T-301.6}{47.41}\right )^{2}}\) − 0.08864T + 39
NaDSb: N = 5, Trange (K)= 293.15–318.15
0.44T + 97.55 0.1213T2 − 74.28T + 1.142 × 104 12c
  1. a: Blanco et al. (2005); b: Hossain et al. (2014); c: Franks et al. (1968) at 298.15 K