铌箔, Niobium foil

铌棒, Niobium rod

钯颗粒, Palladium granules

钯箔, Palladium foil

钯线, Palladium wire

铂黑, Platinum black

海绵状铂, Platinum sponge

铂箔, Platinum foil

铂溅射靶, Platinum sputtering target

铂丝, Platinum wire