幾個世紀以來，"Karat "一詞一直被用作黃金純度的單位。黃金克拉與衡量鑽石重量的 「克拉 」不同。通常我們會看到 10K、14K 或 18K 的珠寶首飾，自然是越高純度的黃金越好。但是黃金卡度到底是什麼意思呢？
讓我們從 24K 金開始，它是純度為 100% 的真正麥柯伊金。從現在開始，請將每塊黃金視為純度在 0 到 24 之間的黃金。因此，如果我們有一塊 10K 的黃金，這表示 24 份中有 10 份是黃金，另外 14 份是其他合金。這等於 41.67% 的黃金和 58.33% 的其他合金。以下是列出其他純度的圖表。
還有哪些合金被用來組成其餘的部分？ 您的首飾?通常會使用一系列的合金，例如銀、銅、鎳、鋅或鈀。有些金屬被選用來改變顏色。例如，「玫瑰 」金含有部分銅以呈現紅色，而白金則與銀、鎳或鈀等白色金屬混合。很明顯，Karat 越高，顏色就越深。 金價 您可以要求。
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