From: dlzc1@cox.net   
      
   Dear Peter Fairbrother:   
      
   On Friday, June 24, 2016 at 9:34:47 AM UTC-7, Peter Fairbrother wrote:   
   > I don't need anhydrous, but am going to produce   
   > ammonia gas (for nitriding) by heating aqueous   
   > ammonia.   
   >   
   > Would like to dry it a bit though.   
   >   
   > Any suggestions?   
      
   Ammonia and water are very difficult to separate.  Can you freeze it out of   
   solution?   
      
   I see that ion exchange can remove it, so regenerating that media, will   
   release loads of ammonia.   
      
   Awfully easy to buy anhydrous, used when delinting cotton seed...   
      
   David A. Smith   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)