镨粉, Praseodymium powder

铼柱, Rhenium slug

铑黑, Rhodium black

铑丝, Rhodium wire

钐粉, Samarium powder

钐箔, Samarium foil

银导电涂层, Silver conductive coating

银粉, Silver powder

银片粉, Silver flake

银柱, Silver slug