Good news today! someone sent me a sample of copper sulfate today. I posted a message on sci-chem and a company sent me a 1.5lbs sample! Now if one of those companies will send me a sample of silver nitrate I can get down to business. But with the price of silver I think this will be highly unlikely. What are the symptoms of exposure to nickel-carbonyl? Not that I want to find out first hand. Frankensteins Helper Max