LOL, was not one of most important properties of Au that

本帖于 2012-09-21 17:17:59 时间, 由普通用户 jy101 编辑

it is so inert that it will not react most other chemical elements, including oxygen?

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The purity is an issue. -Morning3evening4- 给 Morning3evening4 发送悄悄话 Morning3evening4 的博客首页 (258 bytes) () 09/21/2012 postreply 09:26:54

Agree silver. Most gold sold today are 99.99% pure. -天下多蚤- 给 天下多蚤 发送悄悄话 (0 bytes) () 09/21/2012 postreply 09:28:09

I saw 98% golden bricks, hehe. Not shining at all. -Morning3evening4- 给 Morning3evening4 发送悄悄话 Morning3evening4 的博客首页 (0 bytes) () 09/21/2012 postreply 09:29:11

Those are fake, filled with tungsten. LOL -天下多蚤- 给 天下多蚤 发送悄悄话 (0 bytes) () 09/21/2012 postreply 09:32:44

老地主解放前存下来的。那时估计技术上也没到99。99%的地步。 -Morning3evening4- 给 Morning3evening4 发送悄悄话 Morning3evening4 的博客首页 (0 bytes) () 09/21/2012 postreply 09:34:14

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