Quote:
	
	
		| 
			
				 
					Originally Posted by ariel
					
				 
				Thanks to all! 
Both blades are unquestionable wootz: very weak pattern seen. 
Yes, distilled. 
Yes, baking soda ( sodium bicarbonate) 
What %% nitric acid?  How long?  
  
 And, if the rest of the blade is still grey, any rubbing afterwards or some other method? 
			
		 | 
	
	
 Ariel,
You speak the lingo and will find this a help.  
http://playground.sun.com/~vasya/Obach-01.html
It works for me and as noted, is very dangerous, I mean very, be careful.
Gav