The material itself is not true and false. Only people's reputation will be fake. If others tell you that this gold contains iron, and what he said, then it is true that if others say that this is pure gold, it actually contains iron, then it is false.
Hello, It gold with low purity will not contain iron. Imposuations are mainly contained, including platinum, nickel, silver, and gold. The "18K gold as an example: 18K gold refers to the gold content of at least 75%of the gold content. The calculation method of K gold is to divide pure gold into 24 copies, 24K gold, foot gold, 18k gold, the gold content of 18/24, and the remaining 25%are other precious metals, including platinum, nickel, silver, and gold.
The material itself is not true and false. Only people's reputation will be fake.
If others tell you that this gold contains iron, and what he said, then it is true that if others say that this is pure gold, it actually contains iron, then it is false.
Hello,
It gold with low purity will not contain iron. Imposuations are mainly contained, including platinum, nickel, silver, and gold.
The "18K gold as an example: 18K gold refers to the gold content of at least 75%of the gold content. The calculation method of K gold is to divide pure gold into 24 copies, 24K gold, foot gold, 18k gold, the gold content of 18/24, and the remaining 25%are other precious metals, including platinum, nickel, silver, and gold.