老凤祥银饰专卖店

请问发老凤祥首饰是假什么办?
2025-03-17 04:40:03
推荐回答(2个)
回答1:

我是做银饰实体店的 , 据我所知其实很多银饰质量并不比老凤祥的差, 告诉你一个能买到好银饰的方法 , 除了首饰上面刻有925另外有刻品牌标识的银饰都不会差 ,比如银之堡的银饰每款上面都会刻有SL这个标记 ,小到耳钉
这样可以么?

回答2:

是的,无论是什么品牌,其银饰的标志是统一的,根据银的含量有不同的标志。比如银的含量为百分之92.5,其标志是S925。
  银为贵金属之一,符号Ag,英文为silver。银为银白色,相对密度10.49,熔点(961℃),不溶于碱和大部分有机酸,易溶于硝酸及热硫酸,与空气中的二氧化硫化合后变成褐色Ag2S。925银是92.5%的银加入7.5% 的铜及其它合金,使得银的硬度和光泽都有所改善。
  白银的成色,用千分数表示。足银:含银不小于990‰,印记为足银或S990、银990。
  银在地壳中的含量很少,仅占0.07ppm,在自然界中有单质的自然银存在,但主要是化合物的状态。

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