铂棒, Platinum rod

镨箔, Praseodymium foil

铼箔, Rhenium foil

铼丝, Rhenium wire

海绵状铑, Rhodium sponge

铑丝, Rhodium wire

钌粉末, Ruthenium powder

钐 锭/块, Samarium ingot/button

钐箔, Samarium foil

钪箔, Scandium foil