From: dlzc1@cox.net   
      
   Dear Peter Percival:   
      
   On Monday, August 15, 2016 at 12:52:31 AM UTC-7, Peter Percival wrote:   
   > The Wikipedia article on Pentlandite says "Pentlandite   
   > is an effective electrolytic catalyst of hydrogen from   
   > water."  Could someone explain that, please?   
      
   Don't know if you can access this paper or not, but note it says "acidic"...   
   http://pubs.acs.org/doi/abs/10.1021/jacs.5b07728   
      
   David A. Smith   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)