Re: [ccp4bb]: thorium

[Phil Evans <pre@mrc-lmb.cam.ac.uk>]

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I suspect that rather than UF6 what is referred to here is UO2F5-,
which relatively harmless, and can allegedly be made by mixing uranyl
acetate (or nitrate) with KF

Phil


klaas@ultr.vub.ac.be writes:
 > 
 > > 
 > > 
 > > I think one reason is that it is very hard to buy it anywhere - there=20
 > > are several useful reagents that appear in older textbooks (e.g.=20
 > > Blundell and Johnson) such as UF6 salts that are no longer available.=20
 > > Maybe somebody knows better ??
 > > 
 > 
 > It might be radioactive and very toxic and reacting violently with
 > water and stuff. People became very nervous when a ship loaded with UF6 sank
 > before the Belgian cost a couple of years ago.
 > 
 > I think I'm very happy that stuff like that isn't easy to get.
 > Some people do know better by now.
 > 
 > Nevertheless, rumours are that you can buy any uranium salt you want  in
 > certain republics of the former Soviet Union when you pay in dollar (maybe
 > euro now).
 > 
 > Klaas
 >