From: nobody@nospam.not   
      
   Morris Dovey  wrote in news:jdpvbl$9na$1   
   @speranza.aioe.org:   
      
   > I'm still planning to do initial testing with pure nickel, so   
   > (hopefully) pyrophoricity shouldn't enter into the picture just yet.   
      
   I'm not an expert, but it seems to me that many "lower grade"* metals might   
   catch fire if sufficiently finely distributed - just as steel wool can   
   catch fire, and is sometimes used as firestarter.  However, under the   
   circumstances you might be using the nickel, I'd assume that there is no   
   oxygen, hence no fire hazard until you open up the containing device,   
   intentionally or unintentionally.   
      
   *  "lower grade" here means lower on the scale of metal nobility.   
      
   --   
   Best regards   
   Han   
   email address is invalid   
      
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