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Author: Subject: HUMOR: Why I won't touch soluble lead compounds with a 60 foot pole
FormerChemist
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[*] posted on 4-2-2015 at 08:32


Reminds me of a couple of experiments I did as a kid.

Dissolved tin-lead solder in hydrochloric acid. The tin dissolved, leaving powdered lead behind. I then burnt it over the kitchen stove, under the range hood. It burned with a grayish flame, IIRC. I then wiped the red dust up off the stove and continued with a different project.

My younger brother used to melt chunks of lead wheel weights using a piece of a glow plug hooked up to a powerful transformer in his bedroom. When they got red hot, he would dump them in a glass of water.

Later on, I would dissolve lead wheel weights in a mixture of vinegar and 3% hydrogen peroxide. Safety precautions? Never heard of them. After all, its only chunks of metal, and nontoxic vinegar, and nontoxic H2O2, right? Can't be that bad?
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[*] posted on 4-2-2015 at 15:35


Quote: Originally posted by FormerChemist  
Reminds me of a couple of experiments I did as a kid.

Dissolved tin-lead solder in hydrochloric acid. The tin dissolved, leaving powdered lead behind. I then burnt it over the kitchen stove, under the range hood. It burned with a grayish flame, IIRC. I then wiped the red dust up off the stove and continued with a different project.

Is there anything particularly wrong with the dissolving part? Or just their poisonous-ness?




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