Two instances may be here quoted as confirming Wibel's view in reference to the reduction of cupric oxides to cuprous oxides and even to metallic copper (see page 17)[56].
In Columns I and II the amount of metallic copper of the patina is indeed smaller, but so is also that of lead and especially of tin.
In the reducing flame is reduced, forming a bead of metallic copper.
With this flux and a little borax yields a bead of metallic copper; on silver, the alkaline mass gives a sulphur reaction.
Fuses, colors the flame blue, forms a brown and a pale grey incrustation on the charcoal, and is reduced to metallic copper, leaving a small quantity of slag.
The substances usually employed for the standardization of a thiosulphate solution are potassium bromate and metallic copper.
At the cathode the Cu^{++} ions are discharged and plate out as metallic copper.
What weight of metallic copper will be deposited from a cupric salt solution by a current of 1.
A precipitate, which is generally in the form of powder, consists mainly of metallic copper.
I have computed the weight of metallic copper in the rock at twenty-two hundred pounds, which is about one-fifth of the lowest estimate made of it by former visitors.
It will take some time for any cupric ions actually to reach the electrode and be deposited as metallic copper.
Metallic copper may be recognised by the above properties; its oxides, salts, &c.
A small piece of clean polished iron or steel immersed in the suspected liquid for a short time (with agitation) becomes coated with a film of metallic copper, when that metal is present.
On cooling and breaking the crucible, a button of metallic copperwill be obtained.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "metallic copper" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
