... III-V compound semiconductor, high purity alloy, transistor base and as a dopant of Indium (In)1, Physical character:Atomic Weight ... Indium is above 99.999%. The total content of Ag, Al, As, Cd, Cu, Fe, Mg, Ni, Pb, S, Si, Sn, Tl ... III-V compound semiconductor, high purity alloy, transistor base and as a dopant of Germanium & Silicon single crystal.5, Packing:It ...