they are not made of platinum. Platinum referes that an specific recording or album, reached the one million copies in sales.
I have platinum because its a fun game and i always get a bored and im going to tell you the Pokemon i have darkrai,dialga,palkia,salamence,...
In Rev. Sci. Intrum. 1995, 66 (1), 97-100, on page 98, the authors describe using a -1.1 V vs carbon (but I use vs Pt) in H2SO4 ( I use 50 mM) to electrochemically etch PtO2 off Pt. Hope this helps!
no
no you idiot