专注于厨房电器智能控制器的研发和制造 查看全部
简体中文

How to Remove Gold from Circuit Boards

浏览次数 : 736
更新时间 : 2020-06-09 10:58:31

If you have opened an electronic machinery before, such as radios, televisions, or even your old cellphone, you can see their inside workings. Have you ever noticed those shiny gold-colored parts above the circuit boards? Those intelligent pieces of metal are gold in fact. Gold is used on electronic circuit boards due to its excellent conductive properties and no corrosion or rust. If your cabin has any circuit boards scattered around, please have a little rapture and mine gold.

1. Removing gold Using Nitric Acid

1) obtain protective gear. exist certain ought dress a appearance mask, safety glasses, and industrial gloves. Chemicals and acids can upset or even burn over your skin. Fumes from warm acids can because robust harm your eyes and make nausea while inhaled.
 

2) buy concentrated nitric acid. Nitric acid is a transparent liquid drug commonly used because different industrial, steel, and lumber works. You can buy nitric acid from industrial or drug shops.
  • In some states and countries, however, you might exist prohibited from buying nitric acid or you might own ought satisfy certain standards ago you’re allowed ought buy it. bridle with your local authorities ago purchasing.
 

3) site your circuit boards at a glass container. The container to preferably exist Pyrex glassware or the friendly that can oppose farthest heat.
  • Break the circuit boards into smaller pieces ago you site them at the glass container.
  • Do no use elastic containers because the acid might burn accurate over it.
 

4) run the concentrated nitric acid into the glass container with the circuit boards. because you site the acid in, warm fumes will begin ought reform out of the container, accordingly invent certain you’re wearing protective gear.
 

5) Stir the blend using a glass rod until the contents become fluid at form. because gold requires stronger chemicals ought exist dissolved, the nitric acid will melt crude the elastic and metal parts of the circuit board without harming the gold bits.
 

6) Drain the nitric acid from the mixture. use a filter ought divide the hard parts from the liquid.
 

7) conceive out the unmelted parts. These parts will own the gold. Some elastic can cottage exist attached ought the gold, accordingly you need ought divide these little bits off the gold yourself. exist certain ought use industrial might gloves while you perform so.
 
 

2. Removing gold Using Fire

1) obtain protective gear. exist certain ought dress a appearance mask, safety glasses, and industrial gloves ought fly breathing at the fumes released by the warm plastic. use steel tongs ought reform can the warm circuit boards.
 

2) obtain a metal bin or tray, and site the circuit boards into it. console the boards into smaller pieces accordingly they burn faster.
 

3) sparkle the boards above fire. run a bit of gasoline can the pieces ought site the pieces above fire. reform the warm pieces can using steel tongs, and wait until the boards are burnt black.
 

4) site out the fire. permit the pieces ought chilly down a little—just warm enough accordingly you can motion them, besides no also cooled down that the elastic hardens again.
 

5) console off the pieces of elastic attached ought the gold parts. The warm process to own made the board materials feeble and simple ought break.
  • To exist safe, dress protective gloves while breaking off the plastic.
 
 
关联 新闻
浅谈洗衣机控制面板的作用!
浅谈洗衣机控制面板的作用!
Dec .20.2022
洗衣机控制面板有多个程序组成,主要有洗涤程序、设置长度、温度、LED显示、预约等。这些是您机器的主要功能,可让您根据要清洗的织物定制洗涤液。
油烟机的常见问题及处理方法!
油烟机的常见问题及处理方法!
Nov .21.2022
油烟机属于日常生活中最为常见的厨房电器。我们都知道这是我们解决油烟问题最好的帮手,我们开发了各种性价比高的抽油烟机控制器,有严谨的功能逻辑,精致的外观,超高的品质,超长的使用寿命。
PCB板设计规则
PCB板设计规则
Nov .09.2022
颖控®的pcb设计理念不断与时俱进,在雄厚的技术实力上不断进行优化,汲取各类优秀的制造经验,最终依照国际标准制造出优质的烤箱控制器和定时器以及油烟机控制器
烤箱如何预热,颖控®为您完美解决
烤箱如何预热,颖控®为您完美解决
Nov .04.2022
烤箱预热是让烤箱内部升到烘焙时所需要的温度,不仅可以缩短烘焙的时长,还可以让烤出来的蛋糕蓬松。颖控®如何帮你完成烤箱完美的预热,首先颖控®独立自主研发制造的烤箱控制器,拥有一键预热功能
google-site-verification: googlec39da6d6b6012258.html
pop_close
pop_main
在下方订阅颖控®了解更多信息