New and modified anodic alumina membranes part II. Comparison of solubility of amorphous (normal) and polycrystalline anodic alumina membranes
作者： Peter P. Mardilovich , Alexander N. Govyadinoy , Nadezhda I. Mazurenko , Russell Paterson
DOI: 10.1016/0376-7388(94)00185-2
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摘要: The solubility of amorphous anodic alumina (AA) membranes (annealed at temperatures up to 820°C) in HCl, H3PO4, H2C2O4 and NaOH solutions was studied, the influence solution temperature on rate estimated. It shown that process AA begins pH 8.2. If time contact is long enough, such can be completely dissolved 9.9. normal a feature does not depend preliminary annealing if below which crystallisation begins. established this study polycrystalline membranes, formed by calcination > 850 °C, have an exceptionally high resistance acid base, similar crystalline aluminas boehmite series γ-, δ-, θ- α-Al2O3. interaction between or base (up 2200 h), 1200°C), other factors affecting were studied. attack acids bases primarily surface etching takes place 9.0 depends condition oxide, generally state its hydroxyl cover. potential use as therefore enhanced.
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