Encyclopedia > Oleum

Article Content

Oleum

Oleum is also known as fuming sulphuric acid or Nordhausen acid. It has a chemical formula of H₂S₂O₇, and can be formed by dissolving excess sulphur trioxide[?] into sulphuric acid. See sulphuric acid for more information.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Reformed churches

... Reformed churches are Protestant denominations historically related to one another by a similar Calvinist system of doctrine. Each of the nations in which th ...