Gold Plating Chemistry
There are five recognized classes of gold plating chemistry:
- Alkaline gold cyanide, for gold and gold alloy plating
- Neutral gold cyanide, for high-purity plating
- Acid gold plating for bright hard gold and gold alloy plating
- Non-cyanide, generally sulfite or chloride-based for gold and gold alloy plating
- Miscellaneous
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—Unknown. The Twelve Days of Christmas (l. 19–21)
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