铂线, Platinum wire

镨粉, Praseodymium powder

镨棒, Praseodymium rod

铼箔, Rhenium foil

铼棒, Rhenium rod

铑箔, Rhodium foil

铑丝, Rhodium wire

钌立方体, Ruthenium cubes

钐箔, Samarium foil

钐棒, Samarium rod