Lyotropic Liquid Crystalline Mesophase of Sulfuric Acid − Nonionic Surfactant Stabilizes Lead ( II ) Oxide in Sulfuric Acid Concentrations Relevant to Lead Acid


Concentrated sulfuric acid (SA) and nonionic surfactant (C12H25(OCH2CH2)10OH, C12E10) form lyotropic liquid crystalline (LLC) mesophases in a broad range of SA concentrations; the SA/C12E10 mole ratio may vary from 2 to 11 in the LLC mesophases in the presence of a small amount of water. The mesophase is hexagonal at low SA concentration and cubic at higher… (More)

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