aurous's Usage Examples:

Aurous oxide, Au 2 0, is obtained by cautiously adding potash to a solution of aurous bromide, or by boiling mixed solutions of auric chloride and mercurous nitrate.

I i, i Oavev H (+ lx' 1 3) aurous 6py?7 Tor) Beou cis TPkOS.

AuC1 4, aurous chloraurate, is said to be obtained as a dark-red mass by heating finely divided gold to 140°- 170° in chlorine.

Aurous iodide, Aul, is a light-yellow, sparingly soluble powder obtained, together with free iodine, by adding potassium iodide to auric chloride; auric iodide, Au13, is formed as a dark-green powder at the same time, but it readily decomposes to aurous iodide and iodine.

When freshly prepared it dissolves in cold water to form an indigocoloured solution with a brownish fluorescence of colloidal aurous oxide; it is insoluble in hot water.