铂丝, Platinum wire

镨锭, Praseodymium ingot

铼粉, Rhenium powder

铼箔, Rhenium foil

铑粉, Rhodium powder

铑箔, Rhodium foil

钌粉, Ruthenium powder

钐粉, Samarium powder

钐箔, Samarium foil

钪片, Scandium pieces