From: poutnik@privacy.net   
      
   Dne 16/09/2017 v 13:17 Tracy Chan napsal(a):   
      
   > Why are glassware for metal analysis cleaned in acid bath before use?   
      
   Why I have an impression it is a question from a homework ?   
      
   As if you need to know it for practical use,   
   you would already know why,   
   or would be able to search for it.   
      
   --   
   Poutnik ( The Pilgrim, Der Wanderer )   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)