首页|Separation of Hafnium from Zirconium by Vapour Phase Dechlorination
Separation of Hafnium from Zirconium by Vapour Phase Dechlorination
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NSTL
The zircon sands of India contain about 3 per cent hafnium expressed as Hf X 100/Hf + Zr. As a consequence of the very close similarity between the chemical behaviour of zirconium and hafnium, the problem of their separation is attended with unusual difficulties, although several methods have been proposed for this purpose from time to time. The recognition of the importance of hafnium-free zirconium as a structural and cladding material for reactor applications has accentuated interest in this problem during recent years.
NSTL
