R rcarbon Active member Joined Sep 8, 2012 Messages 25 Dec 25, 2018 #1 Hi, Can someone explain the process to make platinum nitrate solution from Platinum metal sponge.
P Platdigger Well-known member Supporting Member Joined Jul 26, 2007 Messages 1,662 Location Washington Dec 25, 2018 #2 I Googled "patents on platinum nitrate" and got some good hits.
L Lino1406 Well-known member Joined Nov 1, 2007 Messages 2,356 Location Israel Dec 26, 2018 #3 Worth trying (on small amount at first): Pt sponge + H2O2conc. + 2HNO3 = Pt++ + 2NO3- + 2H2O. Then - evaporation
Worth trying (on small amount at first): Pt sponge + H2O2conc. + 2HNO3 = Pt++ + 2NO3- + 2H2O. Then - evaporation
B butcher In Remembrance, Nov. 2023 Supporting Member Moderator Emeritus Joined Jan 6, 2008 Messages 10,086 Location Pacific NW Dec 26, 2018 #4 Something looks dangerous there?