22 Karat gold contains 91.6% gold and 8.4% other metals. What is 22 Karat gold commonly known as?
- 999, BIS, Pure Mark
- 750, Platinum, ISO
- 916, KDM, Hallmark
- 585, Copper, Jewel Mark
Explanation
22-karat gold, which contains 91.6% pure gold and 8.4% other metals like copper and silver,
It is commonly called "916 gold" or "22K gold" and is typically identified by a hallmark stamp indicating its purity.
Hallmark:
This is a mark stamped on gold jewelry that verifies its purity and authenticity
KDM:
This term refers to a specific soldering process used in gold jewelry
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