Effect of temperature on the surface tension of diluted aqueous solutions of 1,2-hexanediol, 1,5-hexanediol, 1,6-hexanediol and 2,5-hexanediol Romero, C.; Páez, M.S.; Miranda, J.A.; Hernández, D.J.; Oviedo, L.E.; Fluid Phase Equilibria 2007, 258, 67-72