18 k金的含金量是多少,

🗣 SL提问: 18 k金的含金量是多少

✍️ Ai批改: 18 karat (18K) gold is a common type of gold alloy used in jewelry、The term karat refers to the purity of gold, with 24 karat being pure gold.

Here's how you calculate the percentage of gold in an 18K gold piece:

1、Understanding Karat:
24K gold is considered pure gold, which means it is 100% gold.
Each karat represents 4.167% of pure gold.

2、Calculating the Percentage for 18K Gold:
To find the percentage of gold in 18K gold, you multiply the number of karats by the percentage per karat.
\( 18 \text{ karats} \times \frac{100\%}{24 \text{ karats}} = 75\% \)

So, 18K gold contains 75% pure gold and 25% other metals (usually copper or zinc).

In summary, the含金量 (gold content) of 18K gold is 75%.

英语分析

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