2008年6月15日 · HI all, I was playing with some reverse electro plating. I was using water, salt, vinegar, 4-D cell batteries, a gold plated sterling silver medal, and a copper penny. After running the process for 1/2 hour the gold plating on the coin turned black. I …

2022年8月29日 · Old member named catfish had a formula for gold filled and pins years ago, I can’t recall right off hand the quantities, but he ran them in Poormans AR. Something like a gallon of HCl, a pound of sodium nitrate and a bucket heater in a five gallon bucket for extra headspace. This would do about a pound of pins or gold filled if I remember right.

2013年3月20日 · Maybe you can avoid nasty chemicals but you won't recover any gold. Best way to refine gold without nasty chemicals (guaranteed) : 1. Sell scrap on eBay 2. Buy pure gold on goldrefiningforum 3. Repeat until no more scrap left Göran

2014年10月10日 · Ok I saw some things in the tutorial area on the subject of reverse electroplating. I built a cell, 12v at 1.aph with 50% sulfuric. Sometimes I get beautiful foils, sometimes no foils. The question is, is the brown looking sludge the gold from the material that does not produce foils? My...

2011年12月8日 · I am trying to use reverse electro plating cell for gold pin for the first time. I am using a 6V 7A battery charger, Lead cathod and copper mesh with 98% sulfuric acid in a 1L breaker. Now i have problem, The problem is the gold strip out from the pin in flake form(not in black powder form) and also copper is dissloving and stick on my lead ...

2013年5月9日 · Now this de-plate the silver from the base metal, the problem comes in recovery of the silver from the cell, the de-platters do not mention recovery of the silver, their goal was to make money re-plating the article, not to recover and refine silver, It is my belief the silver would for the most part accumulate at the bottom of the cell once ...

2012年11月22日 · hi can anyone help me I wonder if it will go at making sama thing with silver as with gold in sulfuric acid cell and how to do so, what kind of liquid should be used and what should I use as catod and anode Sincerely Mikael

2012年4月9日 · Nordis2010, if you didn't get the information you have from here then its probably inaccurate. first of all, reverse electroplating (electrolysis) only works on gold plate over a base metal.this will not work on printed circuit boards (at least for the beginner) it takes modified equipment and is hard to master. a better method for reclaiming ...

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