S925是什么意思
关键词：S925是什么意思
S925是什么？跟我们常常听到的、看到的925白银有没有联系呢？大田小编告诉你，有的，它是含银量的标志。接下来，请看大田小编的详细介绍。
一、S925的含义
S925是银制品含银量的标志，其中925银是指含银量达到92.5%的银首饰。而国际上认可的925银首饰的标准银印记就是S925，不过除此之外，国际上认可的925银首饰的标准银印记还有9·25或925。也就是说，若消费者购买的925银首饰上没有S925、9·25或925的标志，那么就可能代表您购买的白银首饰并不是真正的925银。
二、关于925银的小知识
925银是国际上做银饰品的国际标准银，在英国被称为“英镑银”，其含银量为92.5%，为了使其可以做成复杂多样的饰品，925银中有7.5%的含铜量。
三、S925银的鉴别方法
1、印记：在购买925银首饰时，要留意首饰上有没有打上S925的印记。
2、色泽：银首饰多为微带黄的银白色，并带有柔和的金属光泽。
3、酸试：银遇到任何酸都会变色甚至溶解，因此，在测试购买的银首饰时可以在其内侧滴上一滴盐酸，看看其是否会生成白色苔藓状的氯化银沉淀。
4、掂重：银的密度比较小，一般而言用手掂是没有坠手感的。
本文来源： 大田环球贵金属
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