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Ted Mooney, P.E. RET
Pine Beach, NJ

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Engelhard E-74 Gold Plate Make Up Bath

I have some Engelhard E-74 Potassium Gold Cyanide and related chemicals I use to make a small high concentrate plating bath for swab plating. I lost my bath mixture instructions and find that Engelhard no longer supports this product. Does anyone have a break down of of the ingredients of acid, salt, brightener, DI water to make the base mixture for this?

Dennis O'Donnell
PCB service - Oroville, California, USA
2006

Dear Dennis,
Your stock must have been very old! more than 14years.They (precious metal division) were known as Engalhard-Clal and now known as METALOR. Please surf the web Metalor.com and find out whether they can help u
Best of luck

T.K. Mohan
plating process supplier - Mumbai, India
2006

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