>
>> The world's bluest pigment     Bluier then blue

"Prussian blue can release cyanide gas" - Really?  Under what  
circumstances? (wikipedia says "with strong acids."  OK.  Doesn't seem  
like a very big problem to me...)  Traditionally the iron  
ferrocyanides are awfully stable.

BillW

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist