
Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying ... Brass was produced by the cementation process where copper

Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying ... Brass was produced by the cementation process where copper and zinc

Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals and sometimes non- metals

Copper sulfate is used as a fungicide, algaecide, root killer, and herbicide in both agriculture and non-agricultural settings. It is also used as an antimicrobial and molluscicide.

The principal copper ore mineral is chalcopyrite (CuFeS2), which is commonly smelted to yield a matte containing ~50% copper. In the presence of silica flux, iron is selectively oxidized to a slag.

Used as raw materials in copper smelting, copper concentrates have a copper content of about 30% by weight. ... Copper concentrates are made mostly from sulfide ores.