护理银首饰的最佳方法是什么？
2023-03-02
Meetu jewelry
35
“英镑”到底是什么意思？
我们几乎每天都会听到和看到“纯银这个”和“纯银那个”，但许多购物者并不理解它的真正含义。 “sterling”是“纯粹”的意思吗？纯银首饰来自世界某个地区吗？英镑与纯银相比是更好还是更差——或者相同？我项链背面的印记“.925”是什么意思？
根据定义和国际协议，“纯银”是指 92.5% 的纯银和 7.5% 的其他材料（通常是铜）。 92.5% 就是为什么珠宝上经常印有数字 925 或 0.925。
为什么将铜与纯银混合？
现在您可能会想，“哦，这意味着纯银不如纯银”。 嗯，是和不是。 它当然不是纯净的，但出于一些很好的原因，纯银以这种精确的比例混合。 在露天几年后，您见过纯银吗？如果没有，看看你祖母的银汤匙收藏。 银很容易氧化（失去光泽），使其呈现令人讨厌的棕色。 用于制造纯银的 7.5% 铜或其他金属可以减缓变色过程。
其次，纯银是一种非常柔软的金属。 它很容易弯曲或折断。 在混合物中添加另一种更耐用的金属可确保您的银首饰使用寿命更长，并且在使用后看起来更漂亮。 因此，实际上，纯银（尽管不是纯银）通常是选择珠宝时更好的选择。
最后但并非最不重要的一点是，添加另一种金属 - 从而使银更耐用 - 使金属史密斯、珠宝商和工匠更容易处理和加工成我们如此喜爱的复杂戒指、吊坠和项链。
那么你就这样吧... 下次当您购买新珠宝或为女朋友/妻子购买周年纪念礼物时，您会明白销售人员说“这是纯银”时的含义...... 即使他们不这样做。
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