I have some TiO2 nanoparticals deposited on the internal surface of Teflon-lined stainless steel autoclave after hydrothermal reaction, does any one know how to remove/dissolve them?.
You can use ultrasound assisted dispersion of TiO2 in dilute strong acid
Try polar solvents,most preferable is ethanol.
Use at least 10% water solution of hydrogen peroxide. It creates yellow-coloured compound which is soluble in water.
Use hot conc acids such as H2SO4 and HCl.
mixture of sulfuric acid and ammonium sulfate
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Thanks
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