6 The Sponge electrode is then positioned inside of a vacuum arc furnace for melting. In this water-cooled, copper container, an electric arc is used to melt the sponge electrode to type an ingot. Klaproth advised the name titanium, in honor from the Titans. The Titans were being mythical giants https://rowansttqo.ampblogs.com/fascination-about-copper-powder-cas-72527013