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 (18K) | Gold 75% Iron 17% Copper 8% |
Soft Green Gold (18K) | Gold 75% Silver 25% |
Light Green Gold (18K) | Gold 75% Copper 23% Cadmium 2% |
Green Gold (18K) | Gold 75% Silver 20% Copper 5% |
Deep Green Gold (18K) | Gold 75% Silver 15% Copper 6% Cadmium 4% |
Blue-White or Blue Gold (18K) | Gold 75% Iron 25% |
Purple Gold | Gold 80% Aluminum 20% |
yang jadi permasalahan adalah benarkah kadar emas ada standarnya, perlukah SNI untuk kadar emas? biar konsumen tidak tertipu.
sumber :
http://jewelrymaking.allinfoabout.com/features/goldalloys.html
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