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银耳钉变黑了怎么办
更新时间: 2020-11-10 00:00:00  

为恢复银饰品的光泽,可以采用,用棉花蘸点白醋擦拭,黑色的硫化银便溶于酯酸中,银饰品再次呈现光泽。用酒精或碳酸钠擦拭,效果同样很好。

拓展资料:

银遇到空气会被氧化变黑,水里也有氧气,无论银质是否沾水,都可能会氧化变黑。银饰变黑是由于银与空气中的硫发生化学响应成黑色硫化银的缘故。所以,银首饰不能与香水、香粉、香脂、硫磺肥皂以及汗水和酸镇性看台气体等接触。

关键词: 银耳 怎么办

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