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https://www.thoughtco.com/composition-of-gold-alloys-608016
Dec 08, 2019 · Color of Gold: Alloy Composition: Yellow Gold (22K) Gold 91.67% Silver 5% Copper 2% Zinc 1.33%: Red Gold (18K) Gold 75% Copper 25%: Rose Gold (18K) Gold 75% Copper 22.25% Silver 2.75%: Pink Gold (18K) Gold 75% Copper 20% Silver 5%: White Gold (18K) Gold 75% Platinum or Palladium 25%: White Gold (18K) Gold 75% Palladium 10% Nickel 10% Zinc 5%: Gray-White Gold …Estimated Reading Time: 1 min
https://www.gold.org/about-gold/about-gold-jewellery
White gold compositions listed here are nickel free. Nickel-containing white gold alloys form a small/very small percentage of white gold alloys and generally contain other base metals such as copper and zinc. The following are the common standards of fineness that are used:.375 = 9 carat (England and Canada).417 = 10 carat.583 (.585) = 14 carat
https://www.gia.edu/doc/Methods-for-Determining-Gold-Content-of-Jewelry-Metals.pdf
ly known measure of gold content-as well as the least straghtforward to calculate and envision. It is also based on the ratio of fine gold to total metal present (by we&], but it divides the total metal present into 24 parts. Thusl each karat is 1/24 (by weight) of the whole [4.17%1 or 41.7 ppt). The 583-ppt gold alloy [seven parts gold and five
https://www.afashionblog.com/white-gold/
Jan 28, 2021 · White gold is made of 58.5% pure gold, alloyed with 41.5% of the white metal alloys. The white metal alloys alloyed with the gold include copper, zinc, and nickel/ palladium/ silver. When alloyed with palladium, you will have 14k palladium white gold, which contains gold, silver, copper, and palladium. What is 18k white gold made of?
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