Dossier: Thermal analysis and calorimetry techniques applied to the characterization of materials and fluids for energy
Open Access

Table 1

Chemical properties of the surfactants (sorbitan esters) 108 used to prepare.

Supplier name Chemical name CAS no. Molecular formula HLB Molecular weight (g.mol−1) Visual aspect at 20 °C Supplier
span 20® Sorbitan monolaurate 1338-39-2 C18H34O6 8.6 346.46 viscous liquid Sigma-Aldrich
span 40® Sorbitan monopalmitate 26266-57-9 C22H42O6 6.7 402.57 powder Koch-Light
span 60® Sorbitan monostearate 1338-41-6 C24H46O6 4.7 430.62 powder Koch-Light
span 65® Sorbitan tristéarate 26658-19-5 C60H114O8 2.1 963.54 powder Sigma-Aldrich
span 80® Sorbitan monooleate 1338-43-8 C24H44O6 4.3 428.6 viscous liquid Fluka
span 83® Sorbitan sesquioléate 8007-43-0 C66H126O16 3.7 1175.7 viscous liquid Sigma-Aldrich
span 85® Sorbitan trioléate 26266-58-0 C60H108O8 1.8 957.49 viscous liquid Sigma-Aldrich

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