A solution of cuprous chloride which has absorbed CO gives it up on being treated with potassic bichromate and acid.
Those are chromic acid, cuprous chloride (sub- or proto-chloride of copper), and bleaching- powder.
The cupric salts are much the more common of the two, since the cuprous salts pass readily into cupric by oxidation.
Firstly, by no means all bronzes which have been dug up, even though from the same excavation, show the layer of cuprous oxide.
In a general way, according to the later authors, they were largely lead oxide, and contained from 5% to 20% cuprous oxide.
It contains chlorine, apparently as cuprous chloride, sometimes in considerable quantity.
The metal itself is to a greater or less depth converted into cuprous oxide.
A slow reaction takes place and a double compound of cuprous chloride and sodium chloride is formed.
"Frankoline," a mixture of cuprous and ferric chlorides dissolved in strong hydrochloric acid absorbed in infusorial earth.
A and B give no evidence of sugar, while C reduces the Fehling, giving a yellow or red deposit of cuprous oxide.
Containing copper, especially copper with a valence of 1. Compare cupric.