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Thorium(IV) hydroxide
Chemical compound

Thorium(IV) hydroxide is an inorganic compound with a chemical formula Th(OH)4.

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Production

Thorium(IV) hydroxide can be produced by reacting sodium hydroxide and soluble thorium salts.1

Reactions

New thorium(IV) hydroxide is soluble in acid but its solubility will decrease when older.2

Thorium(IV) hydroxide will break up at high temperature and produce thorium dioxide:

Th(OH)4 → ThO2 + 2 H2O

At high pressure, thorium(IV) hydroxide reacts with carbon dioxide, and produce thorium carbonate hemihydrate.3

References

  1. 《无机化合物制备手册》.朱文祥 主编.化学工业出版社. P143. 【III-251】氢氧化钍（thorium hydroxide） ↩

  2. 《无机化合物制备手册》.朱文祥 主编.化学工业出版社. P143. 【III-251】氢氧化钍（thorium hydroxide） ↩

  3. H. Ehrhardt, H. Seidel, H. Schweer (March 1980). "Hochdrucksynthesen einiger Carbonate mit überkritischem CO2". Zeitschrift für anorganische und allgemeine Chemie (in German). 462 (1): 185–198. doi:10.1002/zaac.19804620121. ISSN 0044-2313. Retrieved 2019-11-23.{{cite journal}}: CS1 maint: multiple names: authors list (link) http://doi.wiley.com/10.1002/zaac.19804620121 ↩