nebiconezer said:
hello all, just want to say that this forum is the best...
I have a huge number of the disks or platters from inside hard drives. I have heard that they contain PM's but can't seem to find any solid facts or figures. I cut a bunch into small strips and then soaked these in a 2:1 Nitric acid solution and after a few days the reaction stopped and I was left with....tin foil looking stuff....thoughts??
Since you're a new member, it might be good to put your experiments on hold while you study the forum. Disk platters have been discussed many times. A simple search would give you plenty of threads discussing them.
Here are some more links that I provide for new members. If you follow them, you'll be well on your way to being able to answer your own questions.
The first rule is to be safe in everything you do. Before you jump into any of the processes you see discussed here, be sure you understand the potential hazards and do everything you can to minimize the risks. Read EVERYTHING in the
Safety section of the forum, especially the Dealing with Waste topic. No amount of precious metal is worth jeopardizing your health or the health of those around you.
I strongly encourage all new members to follow the
Guided Tour created by LazerSteve. It will provide an introduction to the forum and numerous valuable links including the General Reactions List. Be sure to follow the link to his web site as he has many outstanding videos, a collection of great reference documents, and he sells a lot of the supplies needed to get started including detailed instructional DVDs. Samuel-a also has a lot of videos, guides and tutorials at his web site
Gold-N-Scrap.
Download C. M. Hoke's book. You'll find links to both screen readable and printer friendly versions in my signature line below. You'll see her book mentioned repeatedly here on the forum for good reason. It is probably the best book ever written for the beginner who wants to learn refining. It is written in layman's terms and will provide a solid foundation that will help you understand everything you read here on the forum. You'll also find a tremendous amount of information in the two Forum Handbooks compiled by aflacglobal,
Forum Handbook Vol 1 and
Forum Handbook Vol 2.
This is primarily a self help forum. Everything you could want to know about recovery and refining is here, but you're expected to do your own research and studying. If you get stuck on something you don't understand, we'll be here to help.
Dave