plat in bid

[Eng. plat in ( um ); suff. -oid.] Min., Chem., & c.: Resembling platinum. Used of certain metals. IMG:content-1194.png:[blocks in formation] Chem.: Pt B. Obtained as a silver-white fusible compound, when boron is heated with platinum foil before the blowpipe. platinum-carbide, s . Chem.: PtC (?). A compound obtained by calcining organic platinum salts at a moderate heat. Is slowly attacked by nitro muriatic acid.