Quote Originally Posted by sanking
I reported some months ago some tests that were done for me by the Getty which showed that replacement was still taking place at twenty minutes, even though most of it was over by about ten minutes. This of course begs the question, how much is good enough for archival quality similar to regular Pt./Pd?


This is a very curious topic for me. Is there any way you can share your raw data? If you are using it for a research project, I completely understand.

I am interested to find out just how much metal is replaced, and what times will be required to match or come close to pt/pd archival results.