Cadmium
Cd
atomic number
48
melting point
321.07°C

1. Mix several small mineral fragments with some sodium carbonate flux, then apply the blowpipe flame to the mixture on a charcoal block; a reddish-brown sublimate composed of CdO will form; the sublimate will have a yellowish tinge furthest from the assay; if only a small amount of sublimate forms, it may have an iridescent sheen to it.