- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
- [email protected]
Recently retired. 72. Sort of a homebody now. I was active for 38 years in the used equipment business. I know the value of the heavy stuff like stainless, brass and copper. Aluminum too, but it's easier to load 1000 pounds of brass than 1000 of aluminum. But i don't want to work with the...
اقرأ المزيد
Welcome to the For Sale, Trade & Wanted section of the forum. This area is provided as a free service by the forum owners. It is a place for members to buy, sell, and trade their goods and services without incurring fees like eBay and other sale sites. Think of this area like a flea market...
اقرأ المزيد
So when you're precipitating from gold chloride is it imperative to do a two-step redux reaction, where as I mean do I have to grow crystals and then there's all them in hydrochloric acid and then drop them with SMB? Or is it possible to just drop it directly out of liquid solution with SMB?
اقرأ المزيد
I have been approaced with a chance to set up a new business refining about 200 ounces a week from a new mine. I want to do it all professionally and my business plan is to make saleable products from 1/2 ounce to 1 kilo . If anyone can offer cuidance on companies that make good kits to refine...
اقرأ المزيد
My Book. In 1983, I wrote a 98 page book on refining/assaying. It was written for a seminar that I was planning on giving. In 1989, I revised it somewhat, and sold quite a few spiral-bound copies at $67 each. The book represented the methods that I used myself, at that time, but written for the...
اقرأ المزيد
The first step for refining Gold, is to "refine", or collect, the Gold out of the host minerals, into a button or bead. This will produce an alloy of metals. Then you will further refine the metals further down into each individual element via chemicals. You do not just put rocks into a furnace, turn up the heat, and out pours molten, pure metals.
اقرأ المزيد
What Is Smelting? Many people confuse gold smelting and melting. While melting entails heating the gold from solid to liquid form before forming gold bars, the smelting process is more complex and involves removing impurities from the gold using a combination of pressure, heat, and several chemicals.
اقرأ المزيد
Hello I'm trying to use sodium nitrate + sulfuric acid to make 70% nitric acid. I understand the formula is a 2-1 mole = 1-2 mole nitric. But I can not get this to turn out right. If I add 1700 grams of sodium nitrate and 850 grams of sulfuric acid and 550 grams of water this should give me...
اقرأ المزيد
Hello everybody I'm KC, and I'm fairly new to the world of gold refining due to financial situations I started to look to the Earth for answers to my problems and I stumbled upon what I assume is a literal gold mine. Since the discovery of said oars I have crushed by hand with a hammer many...
اقرأ المزيد
Gold Refining Basics . General Gold Refining Discussion. Post thread Everything about precious metals. Help Support Gold Refining Forum: ... Introductions - About Yourself. A. FIRST REFINING help me not make some rookie mistakes. Latest: Ag and Au; Yesterday at 12:27 PM; Beginners Gold Refining Process Forum.
اقرأ المزيد
I have a Coors Buchner funnel and a filtering flask that I would like to start using. I am needing help choosing the right filter papers. I am pretty sure a medium paper would be a good all around paper, but I would like to have a selection from time to time when working on other things such as...
اقرأ المزيد
Hello everybody. I'd like to apologize in advance for ranting.** I've found myself in a bit of a unique situation, and was hoping someone could direct me to a reputable refiner of high-grade e-scrap. The situation: I own the only for-profit electronics recycling business in Fairbanks, Alaska...
اقرأ المزيد
Looking to sell some Tantalum, I spoke with E-tack a long time ago but did not go thru with the sale. The issue I was having is that I cracked open all the tantalum capacitors due to the shipping. Big mistake, I know. I haven't posted for a very long time. My first account was NIVRNB, going...
اقرأ المزيد
We highly recommend doing research and educating yourself before beginning a casting or refining project. There are many crucial steps, processes and safety measures you will need to be familiar with before successfully carrying out your project.
اقرأ المزيد