Posted by SMP on April 15, 2010 at 21:40:04:
In Reply to: Etch rate of 1035 CR steel with trace amounts of copper posted by Sylvia on April 05, 2010 at 15:50:02:
Why are you using a H2SO4 solution instead of hot 1:1 HCl? Cu plating can occur during water rinsing. Try using alcohol as a rinse