Juego metales tierras raras - muestras periódicas de elementos de tabla en viales

Praseodymium piece(s) 99.5% under mineral oil 1 gram. Thulium piece(s) 99.9% 1 gram. Lutetium piece(s) 99.95% 1 gram. Holmium piece(s) 99.9% 1 gram. Dysprosium piece(s) 99.9% 1 gram. Terbium piece(s) 99.9% 1 gram.

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