tag:blogger.com,1999:blog-22973357.post563838907844963746..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: Advent calendar #6: The dissolved Nobel PrizesSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-22973357.post-19550988657964323822011-12-06T11:11:46.322-05:002011-12-06T11:11:46.322-05:00Dissolving gold requires a coordinating ligand plu...Dissolving gold requires a coordinating ligand plus an oxidant. Saltwater (chloride) plus air will do it (slowly), as will cyanide in water plus air (solution heap mining), producing soluble [AuCl2]- and [Au(CN)2]- respectively, Au(I). <br /><br />Aqua regia, 82 vol-% 15M HCl plus 18 vol-% 12M HNO3 then aged about 15 minutes (keep covered, fumes!), goes through gold like a buzz saw. Huge chlorideUncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-22261537601876970912011-12-06T11:02:10.327-05:002011-12-06T11:02:10.327-05:00This comment has been removed by the author.Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-2503708652125385622011-12-06T09:49:40.929-05:002011-12-06T09:49:40.929-05:00What an amazing story!What an amazing story!Alyssahttps://www.blogger.com/profile/01695509619557410413noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-29168634304076826722011-12-06T08:13:14.448-05:002011-12-06T08:13:14.448-05:00That's a wonderful story (although set against...That's a wonderful story (although set against the rather horrendous background of the Nazis' spread across Europe). How remarkable for the medals to ultimately be cast again from the same gold!Rhyshttps://www.blogger.com/profile/15520219929014063200noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-69004650248195960262011-12-06T07:04:45.884-05:002011-12-06T07:04:45.884-05:00Hi Bee,
Thanks as it being yet another nice story...Hi Bee,<br /><br />Thanks as it being yet another nice story to which I wasn't privy before. Then again despite what de Hevesy did the information regarding the two medals is still to be found in the universe; that is unless it fell into a black hole of course. However rumor has it that there are those that would disagree :-)<br /><br />Best,<br /><br />PhilPhil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.com