A Safety Note
In my July 2005 Plating Clinic column, I addressed a question regarding the electropolishing of gold.
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In my July 2005 Plating Clinic column, I addressed a question regarding the electropolishing of gold. In answering the question, I suggested a chemical formulation involving potassium cyanide and phosphoric acid. One of our readers pointed out to me that the mixture of potassium cyanide and an acid is potentially very dangerous. He is absolutely correct. The procedure given must be used only if you have proper ventilation.
Thanks again to a sharp-eyed reader!!
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To refresh your memory, read the question online at www.pfonline.com/articles/clinics/0705cl_plate2.html.
Since writing the response, I have come across additional information about electropolishing of gold. One such reference can be found at this link:
www.gold.org/discover/sci_indu/GTech/2002_35/Corti.pdf.
You can find a number of other references on the Internet but doing a Google search using the term “electropolishing gold.”
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