K koebeef Well-known member Joined Feb 7, 2009 Messages 68 Location Montreal Feb 7, 2009 #1 I know that AR is aqua regia, what is AP...don't kill me please
Q qst42know Well-known member Joined Jul 16, 2008 Messages 2,963 Location Toledo, Ohio, USA Feb 7, 2009 #2 HCL and hydrogen peroxide, Acid/Peroxide at 2/1 ratio. Works great on copper base metals. Prefered by many for lifting e-scrap fingers from the boards. See lazersteves videos for the step by step.
HCL and hydrogen peroxide, Acid/Peroxide at 2/1 ratio. Works great on copper base metals. Prefered by many for lifting e-scrap fingers from the boards. See lazersteves videos for the step by step.
