锗粉, Germanium powder

钬片, Holmium pieces

铟粉, Indium powder

铟锭, Indium ingot

铟线, Indium wire

碘, Iodine

铱粉, Iridium powder

铱线, Iridium wire

铁片,无规则形状, Iron pieces

铁箔, Iron foil