【摘要】 运用富立叶红外学谱（FT-IR）法对超强酸催化剂SO₄^2-/ZrO₂-TiO₂—SnO₂的研究结果表明,该固体超强酸有1220、1137和1050cm^-1三个特征吸收,当出现990cm^-1吸收峰时则没有超强酸性;SO₄^2-以螯合状双配位的方式吸附在金属离子上,没有形成硫酸盐。更多还原

【Abstract】 The experimental results of FT-IR indicated that the solid superacid catalyst SO₄^2-/ZrO₂-TiO₂-SnO₂ had three characteristic absorption bands, i. e. 1220, 1137 and 1050 cm^-1, it was not superacid when the absorption band 990 cm^-1appeared, and SO₄^2- was combined with metal ions of the superacid catalyst in a bidenate state instead of sulfate.更多还原