DavidCadogan.ca Forums » DavidCadogan.ca

outlet hogan online AFzUZX30QQ96gEHoKo

(1 post)
  • Started 10 years ago by wm0o3wxkvex

  1. wm0o3wxkvex
    Member

    <p> a sneeze is I get to fly ..." picture broadcast of friends "old Wu "CPU refining with small gold beads in the process. Finally,hogan outlet online, the "old Wu" also excited to put up its use of the school spectrum devices were analyzed and identified three Kim results "three Kim, ICP-AES analysis at 99.99% Oh, no impurity peaks of other elements Oh". And on Renren and Sina Weibo, a more detailed, more intuitive picture clearly demonstrates the "sturdy old Wu thiourea gold extraction technique." "Old Wu" is actually a student at Nankai University Department of Chemistry, College senior, called . On the reason for thought "thiourea gold extraction technique", "old Wu" said his idea is very simple, is that when the waste electronic products directly sold on the pounds,hogan scarpe donne, too wasteful. In social practice after school,hogan uomo, the "old Wu" gave a scrap acquired businesses to do the technical guidance, access to many precious metals recovery approach. For this experiment, the "old Wu" has repeatedly stressed, this method is non-toxic, high purity, low cost, and the technology is very mature, not so-called "aqua regia law." "Old Wu,hogan donna," that he was to complete the experiment in mid-November, "This experiment requires only one day can be completed." Ten Steps 5 CPU refining the four small Kim "Old Wu" and "thiourea gold extraction technique" There are ten steps. The first step is to prepare the instrument to prepare beakers,scarpe uomo hogan, glass, muffle furnace; the second step is to prepare reagents is thiourea, sulfuric acid, hydrogen peroxide and other; The third step is to prepare CPU, "CPU gold content varies, but 486,586 gold old section of the computer more adequate "; The fourth step is to soak,hogan scarpe uomo 2014, rinse first with CPU, remove the thermal silica,hogan donna, etc., and then water immersion CPU.</p>

    <p> how things will be like this?" High said the old man,hogan sneakers donna, his wife, although not much, but see the elders often mouth sweet "Uncle, Uncle, Grandpa," called a stop, get married two days,hogan uomo, but also do something to help the family,hogan uomo 2015, the family get along very well. The same thing,hogan uomo, Mr. Gao tribe and relatives also told reporters that so,hogan napoli, in their eyes, Mr. Gao Feng group with the same man of few words but the heart is very fine, is a law-abiding person. High old man said, Mr. Gao, 31, also with a few before marriage,calzature hogan, but without success. Mr. Gao tall compact, less verbal, in the village near the factory. Fung Kwan, although nearby villages,outlet hogan online, but long-term living with their parents in Guangzhou, the two begin to get along after the matchmakers. Gao Feng before marriage group to come three or four times, each time also lived three or four days. "They are two very desirable, from recognizing married less than two months,hogan saldi, but the two get along very well." High old man said. Mr. Gao told reporters that he was very pro Fung Kwan, often call him "brother Hua Hua brother", originally thought she was half his life forever, I did not expect, married only two days, the third day morning from his gone. The wedding took two of them, Mr. Gao feel dejected.The refining of gold Photo by Nankai University students Lidian WuGold from waste where it is not a myth! Nankai University, a senior student of college, to use computer CPU refining scrap gold. Recently, a group of "old Wu CPU extracting gold piece of cake" picture circulated on the Internet, attracting netizens exclaimed. Network diagram Live Seniors' sturdy gold extraction technique " In all online, they posted a total of 19 photographs, of which 13 are small close-up Kim. From the first two CPU's picture, to the fourth, "Pharmacy debut mystery", to the seventh photos "4 Kim.</p>

    <p> probably took an hour; s nine steps and tenth step, is to use a muffle furnace to melt the gold and use the instrument to detect the purity of gold. "Old Wu,hogan world," said he used this method from five CPU, the final extract four small gold beads,hogan scarpe donna, which one is that it does not accidentally lost. User question: Too costly and polluting the environment For the "old Wu" alchemy, although many users feeling,hogan online outlet, found a "rich road", but there are also users questioned laborious.</p>

    <p> the dilute sulfuric acid to adjust the pH to about 1.5, then add 30% 5 ml of hydrogen peroxide, thiourea 1 g (preferably made of solution), the order can not be reversed; fifth step is activated carbon adsorption; sixth step is heated to high temperatures, temperature not lower than 1000 �, until the charcoal is completely high temperature air oxidation after the rest is yellow gold; seventh step is to use distilled water and pure nitric alloy slightly cook a cook, direct filtration, washed repeatedly with water, thick gold came out; eighth step is purified.</p>

    相关的主题文章：

    Posted 10 years ago #

RSS feed for this topic

Reply

You must log in to post.