Hokes book was written in the 1940s, everything went down the drain back then. Today that practice is unacceptable. Heavy fines and jail time when you get caught.
Actually Hokes book was written about 100 years ago,she was a pioneer in her day and accredited for almost all of the procedures and methods that we use today.Almost every method you will get from,lou,harold,steve,me,noxx are all derived in some way from her book.No offense qst you know you are a friend,but I made the mistake of making a judgement call about her book without reading it all the way through.I am sorry I did that.
I would never want to be like that company that threw away the lead in the garbage
Lead is very rarely used in a disposable method except for cupelation,which not too many people in recovering from E-scrap practice.Most people that utilize cupelation use it for assaying ore.Other than that the main use for any of us is as an anode in an electrolytic cell,and hardly ever needs to be "disposed" of.
If someone can tell give me a equal way to refine but in a way that is safer and I will be able to throw away in the plumbing
1) Nitric acid treatment
2) Aqua regia treatment
3) Removing excess nitric acid (sulphurixc acid)
4) Copperas
Thanks
This is difficult at best golddie.What you are looking to do takes at the very least a month or 2 to get your solutions right.I've been processing for years and I still write steve,when Im about ready to pull my hair out because something went wrong.
The items you have listed above do very different things.
1 Nitric: Eliminates base metals(not stainless steel),is extremely efficient,also costs alot more than muratic,emits nitric vapors that can be fatal DAYS after inhalation and you wouldn't know it.
2 Aqua Regia:a mixture of muratic and nitric acids,dissolves all metals including gold,less expensive than nitric alone,sometimes difficult and time consuming to retrieve digested gold from.
3 Removing excess nitric:That is NOT sulphuric acid! that would be Urea,however a lot of people will agree that boiling out the excess nitric is more effective,and a lot less expensive,some will disagree.
4 Copperas:can be used to preciptate gold out of a solution,is not specific to gold like SMB so it will also precipitate most other digested metals out of a solution as well,however very inexpensive and works if you run out of SMB and need something in a bind.
Johnny
Today, I don't do it because I know it is immoral.
Awesome statement