Ok, I must check this better...anyway my first conclusions are : 1 to obtain hafnium 187 you must purify it (exactly the same as for lithium, to become lithium 6, so this goes for both elements) the process of purifying is basically :
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Marques Mendes eleições 2026 corruption cases part 16 ( Ângelo Correia 1)
https://www.publico.pt/2012/12/03/jornal/angelo-correia-e-marques-mendes-surpreendidos-por-terem-sido-fundadores-25688684
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