send back to the plating house, they will strip it for you (in plating bath I think). On Feb 6, 2015, at 3:27 AM, Grossmann, Günter wrote: > Hi all > > I need to strip gold from Ni on solder pads but Aqua Regina eats > away the nickel as well. Has anyone got the formula for a chemical > solution? > > > Best regards > > > Günter > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud > service. > For more information please contact helpdesk at x2960 or > [log in to unmask] > ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________