On Fri, 11 Oct 2002, Chris J Ringwood wrote:
> Those prices are for pure metals. The "salts" would doubtless
> be a lot cheaper depending on the purity assays...
Depends on *why* the metals are expensive. For something like titanium,
where much of the difficulty is in extraction and purification, you'd be
correct. But things like rhodium are just plain scarce; the high prices
reflect the rarity of the compounds themselves, not the difficulty of
pulling pure metals out of them.
Henry Spencer
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