Spirto With Hcl To Extract Gold From Ram Stick
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- Spirto With Hcl To Extract Gold From Ram Stick
Hi all I used wet ashing (20 ml of sulfric acid on a hot plate) and one chip from a RAM stick and I could see the following; Sample RAM stick with BGA chips After wet ashing, A closer look at above; it is very small and seems like a copper piece in the middle and bonding wire copper. Silvery dots I believe from BGA balls The lot is 1.5 kg RAM …
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in the first picture, of the burnt chips on paper, at the top of the screen it looks like im seeing gold fibers at the botom of the pan. when i get to this piont and there is to much solder or copper in the mix, i put it back in the pan, burn it again and recrush it to reduce the small chunks of plastic down to powder, then pan again, youll start seeing …
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Yeah, make sure you USE a tin finger discount if you find it mixed in, large value loss - boardsort lists buy prices (Aug 14 2014) Gold ONLY Fingered Memory RAM $14.00 per pound Silver/Tin ONLY Fingered Memory RAM $5.75 per pound Fingerless (trimmed) Memory RAM $5.50 per pound
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A simple plastic tube connected to a small air pump (a small aquarium pump will work just fine) and the other end is placed under the strainer with the fingers so that the bubbles …
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Peripherals like graphics boards, internal modems, and ethernet port boards: These computer parts have significant amounts of gold in the pins and surface layers.; How to extract gold from electronics. Retrieving gold from an electronic device is an arduous and time-consuming process.
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i put some fingers and gold plated ram sticks into a ssn leach solution----i forgot this test and went to do other things------the next day when i looked at the test, i noticed that all the fingers were deplated and the ssn solution became black green color----i diluted this solution(a...
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Hi all, I would like to depopulate about 15 pounds of misc RAM sticks, and I was thinking that dillute HCL would be the best way to do so, as I don't have the time nor the strenght in my hands anymore to do so manually. A chisel would be best, but it's so time consuming and puts too much strain on my hands. An oscilating multi-tool makes the …
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Also, are you only dissolving the RAM gold fingers? You need to trim the parts off with just the fingers on them. The chips also have gold, but they must be ashed in a full incineration procedure. Any carbon remaining will bind gold. The best procedure for gold fingers and pins is to use concentrated HCl with a few mls of copper chloride …
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All, Here is the icp result for mixed memory and ram cards I smelted, So 190 grams of mixed ram sticks and memory, produced 22.5 grams of alloy metal, so 1000 kg would produce 118.421 kg of metal alloy, which 1 metric tonne of it according to analysis would have 1000 grams of gold, therefore 118.421 kg of metal alloy would have 118.4 …
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As shown in Fig. 4 a, the gold extraction efficiency was only 28.8% when 0.2 mol·L −1 FeCl 3 was used, indicating that only a small fraction of industrial metals (Cu, Sn, Zn, Pb, Fe) was extracted from the FeH-extracted powder. The residual industrial metals negatively impacted the subsequent gold extraction process using KClO 3-HCl-CaCl 2.
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Paint it all with black auto body undercoating to make it chemical resistant & use a black bucket. This sitting out in the sun heats up the HCL real nice & will depopulate several pounds of ram in 2 – 3 hours (depending on batch size & solar conditions of the day) & you should get several batches from the same HCL before it is saturated with tin.
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Should you extract gold from electronics? Recovering gold from junk electronics, also called urban mining, may be profitable if you can amass large volumes …
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Reading here I found two common ways: 1. Clip off the goldfingers and AP them 2.Drop whole memory stick into HCL for a few hours. 2.1 Have tin dissolved, components fall off. 2.2 AP the whole board While the goldfingers are usually richly plated with gold, the rest of the board often is...
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The extraction behavior of 212Pb, 197mHg, and 194Au on TEVA resin in HCl and HNO3 solutions was studied with batch uptake, kinetics, and column studies. The uptake of mercury and gold was extremely high from HCl solutions, with maximum k' >80,000 for both elements. The uptake of mercury was lower in HNO3 than HCl with a …
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Hi everyone I was asked by my old supplier to run 2 batches of 1kg SIMM ram sticks (67 pieces) and another kg of DIMM ram sticks (46 pieces). All gold plated sticks. Plating: I used a hot cyanide solution with the addition of hydrogen peroxide, which dissolved the gold plating. After washing them with hot water I placed steel wools in …
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I believe that plate is a silicon dye (die?) wafer. And yes, most ic chips from ram cards contain gold bonding wires. The gold is usually found in the form of bond wires incased in the black, plastic-like, epoxy resin. Many tiny gold wires will be attached to the wafer at the ends, but most of the gold wire mass is inside the epoxy itself.
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Results: 45% of gold extraction with a non-pre-treated sample; 86% after microwave roasting. Case 3 - A bromine-based solution was applied to extract gold from a sulphide gold ore (Sousa et al., 2018). ® Leaching solution: The leaching solution composed by 4.4 g of NaBr, 30 mL of NaOCl, 42 mL of HCl and 28 mL of H2O per 100 …
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It's common knowledge that computer parts such as circuit boards and memory chips use gold as binding material. By using a few chemicals and improvised lab equipment, you can actually extract these …
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Please forgive if this question has already been posted and commented on. That request is pretty common I know, but I couldn't find this exact question anywhere. I'm happy to be pointed to an existing thread, if one exists. I have just purchased 9 pounds of RAM sticks from a friend for $225. I...
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Dissolve gold from computer parts using aqua regia (nitric acid and hydrochloric acid in a 1:3 ratio), then precipitate with sodium metabisulfite for recovery. …
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This thread involves depopulating (aka "removing the chips from") RAM sticks, presumably for pyrolysis-lite (sorry, in-joke, we have an ongoing debate on that …
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In this experiment, the process of gold extraction from RAM was divided into two main stages as follows: (1) aqua regia leaching, and (2) gold precipitation (Fig. 2). Before treating the discarded RAM sample, a pre-treatment stage was required to reduce the sample size to ensure that the sample was completely submerged in the leaching …
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What I did was depopulate about 35lbs of ram sticks with HCL. It went well considering I needed to do all 35lbs in 3 batches, re-using the HCL. The last batch went considerably slower than the first. I tried to keep the batches covered to keep out oxygen, only opening every so often to mix the...
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Next, check the generation of RAM your computer's motherboard accepts. This information is presented as a DDR version: DDR2: This generation was introduced in 2003. Chances are your computer is not using DDR2 …
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The gold comes in the form of an assay containing Potassium Cyanide. This assay has to be further purified using a mix of Nitric Acid, Hydrochloric Acid in the right proportions, to create a solution known as Aqua Regia. Gold dissolves easily in Aqua Regia while the Potassium Cyanate assay separates swiftly.
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Reading here I found two common ways: 1. Clip off the goldfingers and AP them 2.Drop whole memory stick into HCL for a few hours. 2.1 Have tin dissolved...
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Gold fingers are typically found on PCI cards, ISA cards, or on Memory sims/dimms/etc. They create the corrosion free connection between the computer and the expansion …
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Apply all safety gear correctly before working with chemicals and do this outside as the fumes are nasty. Put the gold fingers and clean circuit boards in the coffee pot, in another container mix two parts muriatic acid and one part hydrogen peroxide and add to the coffee pot until it just covers the gold fingers and wait a week giving it a stir daily.
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When processing pins you should use just HCl alone for the first step as it dissolves all the base metals while leaving the gold intact.never use the HCl H2O2 method to do the primary stripping of any gold plated item as you may put the gold into solution with the other metals.I always do the prelininary stripping with HOT HCl in a crockpot …
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can anyone tell me how much gold ruffly i would recovery from 5kg of ram memory the wight is the ram are still in full boards not just the strip across the bottom after braking the strip off the bottom were the gold is it would be about 1kg or so. dose anyone know how much gold i could recover from that in grams please.
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Not much to say about the functionality of memory sticks, though one may seriously consider doing a test for working units, working units may be sold at a higher price that will far exceed the precious metals (PM's) …
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After two times of treating my gold foils in HCL-CL I have gotten a little precipitation of gold (brown flakes), with some silver chloride along with it. ... The source is from RAM sticks, and some gold plated jewelery. Agreed on the more research thing... Thanks again all of you for the info. Reply. K. kurt Well-known member. Joined Feb 15, …
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That's because those videos are only about how to recover & refine the gold finger "part" of the RAM The process for recovering & refining the gold "inside" the IC chips that are on the RAM is a "completely" different process then the process of doing the fingers The gold on the fingers is only about half "or less" of all the gold in/on RAM The other …
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