镨, Praseodymium powder

镨棒, Praseodymium rod

铼箔, Rhenium foil

铑黑, Rhodium black

铑箔, Rhodium foil

钌黑, Ruthenium black

钌 片, Ruthenium pellets

钐箔, Samarium foil

钐棒, Samarium rod

钪箔, Scandium foil