Recently, a video claiming to have ‘extracted 191 grams of gold from SIM cards’ went viral online. In the clip, a man asserted that by collecting and chemically processing a large number of discarded SIM cards, he successfully refined 191 grams of gold, even displaying a gold bar as proof. The claim sparked widespread debate—many netizens expressed disbelief, while others wondered if SIM cards truly contain gold.In response, the individual clarified that the contact points on SIM card chips do contain trace amounts of gold, used to enhance conductivity and prevent oxidation. He collected tens of thousands of used SIM cards and, in a professional lab setting, employed standard metallurgical techniques—including acid dissolution and electrolysis—to extract the metal. The entire process took several weeks and cost far more than the market value of the recovered gold. He emphasized that his goal was not profit but rather a personal interest in resource recycling and chemical experimentation.Experts note that while a single SIM card contains less than 0.001 grams of gold, large-scale recovery is theoretically feasible. However, such procedures involve significant safety and environmental hazards and are strongly discouraged for non-professionals. The incident has also drawn public attention to the potential of recovering valuable metals from electronic waste, highlighting the importance of circular economy and green technology.
近日，一则‘用SIM卡炼出191克黄金’的视频在网络上引发热议。视频中，一名男子声称通过回收大量废弃SIM卡，经过化学提纯工艺，最终提炼出191克黄金，并晒出金条作为证据。不少网友对此表示震惊，质疑其真实性，也有人好奇SIM卡是否真的含金。对此，当事人回应称，SIM卡的芯片触点确实含有微量黄金，主要用于提高导电性和抗氧化性。他收集了数万张废旧SIM卡，在专业实验室环境下，通过酸溶、电解等正规冶金流程进行提取，整个过程耗时数周，成本高昂，远高于所获黄金的市场价值。他强调此举并非为了盈利，而是出于对资源回收和化学实验的兴趣。专家指出，虽然单张SIM卡含金量极低（通常不足0.001克），但大规模集中回收在理论上可行。不过，非专业人士尝试类似操作存在极高安全与环保风险，不建议模仿。该事件也引发了公众对电子废弃物中有价金属回收的关注，提醒人们重视循环经济与绿色科技的发展。
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