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怎样用火辨别钯金

更新时间: 2020-11-17 00:00:00     

用火辨别钯金的方法是钯金在400℃左右时表面氧化呈现灰黑色,继续加热至900℃左右又会恢复光泽,钯(Palladium)是世界上最稀有的贵金属之一。

钯金的纯度极高,外观与铂金相似,自然状态下呈银白色金属光泽而且永远不会褪色。钯金耐高温、耐腐蚀、耐磨损,具有延展性。在纯度、稀有度及耐久度上,都可与铂金互相替代无论单独制作首饰还是镶嵌宝石都是理想材质。

关键词: 怎样 辨别

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