铂丝, Platinum wire

镨箔, Praseodymium foil

铼柱, Rhenium slug

铼丝, Rhenium wire

海绵状铑, Rhodium sponge

铑丝, Rhodium wire

钌粉, Ruthenium powder

钐片, Samarium pieces

钐箔, Samarium foil

钪拱形铸球, Scandium arc-cast pellet