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2019年7月19日 · 在 新文章 0 comments. 18K金是一種常用於珠寶的合金，但9K金呢？ 這兩種金如何比較，它們之間有什麼區別？ 9K金含有9份純金和15份其他金屬，如銀，錫，鎳，鋅，鈀等。 按百分比計算，9K金的純度為37.5％ - 這是它所含純金的比例。 18K金的含量. 18K金每24合金含有18份純金。 因此，其金純度為75％。 由於其相對較高的純度和良好的耐用性，18K金是珠寶中最常用的合金之一。 9K和18K金有何不同？ 正如我們之前看到的，9K和18K金的純度差別很大。 其他最重要的差異，源於純度的差異，是9K和18K的價格，耐用性和顏色，以及它們是否實際上被認為是黃金。 黃金狀況：9K並不總是被認為是黃金！
- Gold Status: 9 Karats Is Not Always Considered Gold!
- Price and Affordability
- Durability and Hardness
- Color
Perhaps one of the most important facts you should take note of is that while an 18K alloy is considered gold, this is not always the case with a 9K alloy,depending on the countryit is sold in. For example, in the United States,9-karat jewelry cannot be sold as gold. In order for an alloy to be considered gold in the U.S., it has to have a purity l...
The difference in purity between 9K and 18K gold also leads to a difference in price. Since 9-karat jewelry contains less gold, it is cheaper per gram. 18K gold is significantly more expensive, as it contains twice as much pure gold as a 9K alloy, percentage-wise.
Gold is alloyed with other metals because it is very soft. You can expect lower-karat alloys to be harder than higher-karat ones because of the difference in their gold content. As a low-purity gold alloy, 9K gold is harder than 18K gold. This means that a piece made of 18K gold will be relatively easier to scratch, and its parts will bend more eas...
Alloys with a higher gold content will have a color that is more saturated and yellow. In contrast, lower-karat alloys will look paler in comparison. Compared with 9K pieces, 18K jewelry tends to have a richer color. So, if you are looking for a ring or bracelet that looks more like pure gold, 18 karats is the way to go. 9K jewelry is a recommended...
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9k. nine kar· at | ˈnine ker-ət. adjective. A gold alloy that includes 37.5% pure gold and 62.5% alloy. Used to define the purity of gold in jewelry, 9k refers to the amount of pure gold in a particular piece. Because gold is such a soft metal, it must often be mixed with an alloy to make it more durable. 9k gold is 37.5% gold and 62.5% alloy.
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18K 白金/ 黃金 / 玫瑰金 我們的18K金件由金和其他白色金屬（包括銀和鈀）合金製成，並鍍有銠，經久耐用，耐刮擦。 9K 白金/ 黃金 / 玫瑰金 我們的9K金件由金和其他白色金屬（包括銀和鈀）合金製成，並鍍在銠上，具有耐用和防刮的表面。 925 銀(鍍鉑金) 我們的純銀件是92.5％純銀，與銀合金混合 ...
PT950 鉑金 隨時交付的訂婚戒指 Preset Diamond Engagment Rings Round Cut Rings Fancy Cut Rings Rz Simulated Diamond Rings ... 以價格 選購 HK$$1000以下 HK$1,000-HK$5,000 HK$5,000-HK$10,000 HK$10,000-HK$30,000 Over HK$30,000 以品牌選購 ...
