Dusty3kids
Member
- Joined
- Jul 19, 2021
- Messages
- 5
I understand my stupidity should not warrant an emergency on your part...but.
Ok, I may be a bit long winded but I want to cover everything...First and foremost I want to say that I admit I am an idiot when it comes to this stuff apparently. I have been researching for couple of months as I can (I am a single father of 15 yr old twin boys and a 17 year old daughter and run my own computer repair business. For as long as I have been researching I have also been depopulating a storage shed full of old PCB's...I got tired of just depopulating and wanted to try to do something...so off to Youtube I go...watched some guy using sulfuric acid and hydrogen peroxide to treat the IC's and BGA's after pulling off the fiber board. So I mimicked. 4 times as much sulfuric acid (98%) as IC's and the same amount of hydrogen peroxide as IC's so 4 to 1 sulfuric acid to hydrogen peroxide. I admit now that I should have read a bit more on how to neutralize and dispose of this solution then I had as I just thought Baking soda would do it...I have made flash cotton and flash paper before but only used 50ml not 1L (oh and I did not have a bottle big enough to fit 4 times the amount of acid, I still used 4 to 1 ratio but could only manage to fit half of the required acid and only realized this after putting the sulfuric acid in the bottle, figured I was already this far let's just make it work) and was able to neutralize it easily. After heating my solution with IC's for several hours I let sit for a few then decanted what I could. Believing that gold does not dissolve in Sulfuric acid I decided it was time to neutralize what I decanted.
Quick pause...I realize I am probably going to be hit from every side here. I also realize at this point I am doing NOTHING more then reading this forum until I have a much deeper understanding of what I am doing...I will say that I have mask rated P100, apron, face shield, and gloves that almost reach my armpits and used them. I am not asking for help with gold recovery and WILL NOT TOUCH ANOTHER ACID until I have read through this entire forum not once, but twice at least.
Back to it...My question is...What do I do know??? I could not leave the waste acid around so had to neutralize it,...when making flash paper I just poured baking soda and water into my pan after dropping paper into 2 buckets of water (only used 50ml of acid) not realizing how much baking soda would be required I placed ice and a small plastic garbage can inside of a larger one, filled the outer one with ice and water, filled the smaller one with a box of baking soda and water then poured my dirty sulfuric into it (1000ml) after half of it it stopped fizzing, I more soda and nothing....then poured in the rest of the sulfuric...no fizzing. I let it sit before grabbing some PH paper to test. After all the foam had died down I spooned a bit more soda and it fizzed like crazy...I added 3 more boxes of baking soda and still going nuts....I am out of room in my 2 cans and now when I add baking soda to the outside container IT FIZZES TOO!!! So I have a couple plastic containers on my second story wood deck and don't know how the he|| to take care of it. I already promise NOT to mess with this stuff again without a much deeper knowledge....but can someone please tell me how to take care of this before I cause some serious damage.
awaiting an answer...in the meantime will try to find it on my own.
Ok, I may be a bit long winded but I want to cover everything...First and foremost I want to say that I admit I am an idiot when it comes to this stuff apparently. I have been researching for couple of months as I can (I am a single father of 15 yr old twin boys and a 17 year old daughter and run my own computer repair business. For as long as I have been researching I have also been depopulating a storage shed full of old PCB's...I got tired of just depopulating and wanted to try to do something...so off to Youtube I go...watched some guy using sulfuric acid and hydrogen peroxide to treat the IC's and BGA's after pulling off the fiber board. So I mimicked. 4 times as much sulfuric acid (98%) as IC's and the same amount of hydrogen peroxide as IC's so 4 to 1 sulfuric acid to hydrogen peroxide. I admit now that I should have read a bit more on how to neutralize and dispose of this solution then I had as I just thought Baking soda would do it...I have made flash cotton and flash paper before but only used 50ml not 1L (oh and I did not have a bottle big enough to fit 4 times the amount of acid, I still used 4 to 1 ratio but could only manage to fit half of the required acid and only realized this after putting the sulfuric acid in the bottle, figured I was already this far let's just make it work) and was able to neutralize it easily. After heating my solution with IC's for several hours I let sit for a few then decanted what I could. Believing that gold does not dissolve in Sulfuric acid I decided it was time to neutralize what I decanted.
Quick pause...I realize I am probably going to be hit from every side here. I also realize at this point I am doing NOTHING more then reading this forum until I have a much deeper understanding of what I am doing...I will say that I have mask rated P100, apron, face shield, and gloves that almost reach my armpits and used them. I am not asking for help with gold recovery and WILL NOT TOUCH ANOTHER ACID until I have read through this entire forum not once, but twice at least.
Back to it...My question is...What do I do know??? I could not leave the waste acid around so had to neutralize it,...when making flash paper I just poured baking soda and water into my pan after dropping paper into 2 buckets of water (only used 50ml of acid) not realizing how much baking soda would be required I placed ice and a small plastic garbage can inside of a larger one, filled the outer one with ice and water, filled the smaller one with a box of baking soda and water then poured my dirty sulfuric into it (1000ml) after half of it it stopped fizzing, I more soda and nothing....then poured in the rest of the sulfuric...no fizzing. I let it sit before grabbing some PH paper to test. After all the foam had died down I spooned a bit more soda and it fizzed like crazy...I added 3 more boxes of baking soda and still going nuts....I am out of room in my 2 cans and now when I add baking soda to the outside container IT FIZZES TOO!!! So I have a couple plastic containers on my second story wood deck and don't know how the he|| to take care of it. I already promise NOT to mess with this stuff again without a much deeper knowledge....but can someone please tell me how to take care of this before I cause some serious damage.
awaiting an answer...in the meantime will try to find it on my own.