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發表於 2013-3-19 16:17:38 |顯示全部樓層

大学生从废电脑里炼出黄金(图)

所炼出的黄金
图片由南开大学学生李殿武提供

  从废品里淘金,这不是神话!南开大学化学院的一名大四学生,就用废旧的电脑CPU炼出了金子。日前,一组“老武的CPU提金小菜一碟”图片在网上流传,引来网友们一片惊呼。

  网图直播

  大四学生“彪悍提金术”

  在人人网上,一共贴出了19张照片,其中13张是小金珠的特写。从第一张两个CPU的图片,到第四张“神秘药剂登场”,再到第七张图片“4个金珠,一个被我打喷嚏弄飞了……”图片直播了网友“老武”用CPU提炼小金珠的过程。最后,“老武”还兴奋地贴出了其利用学校光谱设备对三颗金珠进行分析鉴定的结果“三颗金珠,ICP-AES分析在99.99%以上哦,没有别的元素的杂质峰哦”。而在人人网和新浪的微博上,丈夫用妻子生日号买彩票中奖1069万,一组更加详细、更为直观的图片,清晰地演示了“老武的彪悍的硫脲提金术”。

  “老武”其实是南开大学化学院化学系大四的一名学生,叫李殿武。谈到为何想到“硫脲提金术”,“老武”说自己想法很简单,就是觉得把电子产品直接当废品论斤卖,太浪费了。在课余的社会实践中,“老武”曾给一家废品收购企业做技术指导,接触到不少贵金属回收的办法。而对于这次的实验,“老武”再三强调,这种方法是无毒、高纯度、低成本的,而且技术已经非常成熟,并不是所谓的“王水法”。“老武”说,他是在11月中旬完成实验的,“这个实验只需要一天就可以完成。”

  十大步骤

  5块CPU炼出4颗小金珠

  “老武”的“硫脲提金术”共有十个步骤。第一步是仪器准备,要准备烧杯、玻璃棒、马弗炉等;第二步是准备试剂,也就是硫脲、硫酸、双氧水等;第三步是准备CPU,“CPU含金量不等,但老款486、586电脑的含金量比较足”;第四步是浸泡,先用清水洗净CPU,去掉导热硅胶等,然后用水浸没CPU,将稀硫酸的pH值调节到1,返现.5左右,然后加入30%双氧水5毫升,硫脲1克(最好做成溶液),顺序不能颠倒,丈夫用妻子生日号买彩票中奖1069万;第五步是用活性炭吸附;第六步是高温加热,温度不能低于1000℃,等到活性炭被高温空气氧化彻底之后,剩下的就是金银铜合金;第七步是用蒸馏水和纯硝酸将合金稍微煮一煮,直接过滤,反复水洗,粗金就出来了;第八步是提纯,大概用时一小时;第九步和第十步,是用马弗炉融化金子,并用仪器检测金的纯度。

  “老武”说,他用这种方法从5块CPU里,最终提炼出4颗小金珠,其中1颗被其不小心弄丢了。

  网友质疑:

  成本太高且污染环境

  对于“老武”的炼金术,尽管有不少网友感慨,找到了一条“致富路”,但也有网友质疑费力、费时,更有网友担心,“土法”炼金成本高且污染环境,因为“现在CPU里面的金属没有以前多了,弄来弄去其实也赚不了什么。”

  化学博士:

  操作需专业人士指导

  对此,一位化学博士告诉记者,从步骤上看,这种方法在实验室操作是可行的。不过,如果想参考该方法进行实验,应该有经验丰富的化学工作者指导,并且一定要注意环保,丈夫用妻子生日号买彩票中奖1069万

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發表於 2013-4-1 21:52:38 |顯示全部樓層

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發表於 2013-4-28 17:49:57 |顯示全部樓層

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