I'm staring at a periodic table trying to make sense of how deuterium, silver, and/or palladium might even conceivable be transmuted into zinc, copper, or iron.

I'm staring at a periodic table trying to make sense of how deuterium, silver, and/or palladium might even conceivable be transmuted into zinc, copper, or iron. I'm not seeing anything plausible. Probably just contamination.