21
Qualitative Nachweisverfahren. 8B,Beta. Elemente der achten Nebengruppe 02: Platinmetalle Platin, Palladium, Rhodium, Iridium, Ruthenium, Osmium.
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A comprehensive treatise on inorganic and theoretical chemistry. 15. Ni, Ru, Rh, Pd, Os, Ir /
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Subject (ZB): ...ruthenium...