<p id="par0005">Porous and nanotubular morphologies of anodic films may be generated on titanium.p>
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<p id="par0010">Porous films are generated in aqueous-free electrolyte after rinsing with ethanol.p>
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<p id="par0015">The appearance of the films formed in the electrolyte with added water or rinsed with water is nanotubular due to the dissolution of water-soluble fluoride matrix.p>