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925银戒指为什么会变黑
更新时间: 2020-11-30 00:00:00  

银戒指会变黑是因为银本身的特质所影响的。银这种元素很不稳定,极容易和氧结合,导致氧化,变成氧化银,氧化银就是黑色的。但是通过打磨,银戒表层的氧化银可以被打磨掉,等于露出了里面新一层的银。人长期佩戴银饰就是一个打磨的过程,所以说银饰是越戴越亮,而经常摩擦不到的地方必然会氧化发黑,跟个人的体制也没有关系。这是正常现象,没什么可惊奇的。

关键词: 戒指 为什么

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