platinocyanides

Updated: July 13, 2026

Thus the white of egg is very brilliant but the yolk much less so. Milk is much brighter than water, and such objects as a white flower, a feather, and egg-shell glow brilliantly. The most remarkable substances of all, says Professor Dewar, whom I am all along quoting, are "the platinocyanides among inorganic compounds and the ketonic compounds among organic.

Edward Huntington Williams - A History of Science, Volume 5 : Aspects Of Recent Science