Dissolves easily in hot molten Potassium hydrogen sulphate
On cooling residue is soluble in aq and gives standard Ti ID tests.
Yellow with H2O2, Purple with Zinc granule etc Look in any good
analytical book published after 1880.
Bob M
Post by rambotroutHow do I dissolve titanium dioxide?
Google is your friend. Searching "dissolve titanium
dioxide" gives many hits.