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/diy/ - Do-It-Yourself

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1757068 No.1757068 [Reply] [Original] [archived.moe]

Hey there /diy/
I've been making iron oxide using bleach and pieces of steel to make thermite for bootleg welding. The issue is that after 2 days the liquid in the jar that I've filtered out doesn't smell like bleach at all and more like very very very slightly chlorinated water to the point I'm not scared of drinking it from the smell. Should I change out the liquid for new bleach or is it still gonna process the steel "effectively".
Thanks in advance :)))

>> No.1757069

Do you seal the top? Chlorine evaporates pretty quickly.

>> No.1757071


>> No.1757073

inb4 ppl tell you to add acid

>> No.1757074

Don't use dollar store bleach -- check the concentrations. The cl probably got used in the reaction.

>> No.1757080

Don't waste your time making it. I bought some from e-bay. I also got some aluminum powder from e-bay, too. I've got like 10lbs of thermite now.

>> No.1757081

Heh, you're probably on some list nao

>> No.1757082

the whole point is to do it jank asf so no I wont buy it

>> No.1757109

You have depleted the Hypochlorite in the bleach by reacting it with Iron.

>> No.1757158

The OCl-(aq) ion (give or take a Cl or O or two) reacted with the Fe(s) to turn into FeO(s) (either Fe3O4 or Fe2O3, can't remember which) and Cl-(aq). But IIRC the bleach contains H+ ions too, you now have a potentially fairly concentrated solution of hydrochloric acid. So don't fucking drink it.

>> No.1757248

>doesn't smell like bleach at all and more like very very very slightly chlorinated water to the point I'm not scared of drinking it.

Go on... don't be a pussy!

>> No.1757257

Is it viable to seal a crack in my exhaust manifold using thermite?

>> No.1757305

go to some old ass industrial park and find some shit that is rusted to fuck and bust it up with a hammer. I was working on a dock last year scrapping it with a sledge hammer, didnt even need the torch.

>> No.1757514

Not unless you can figure out some way to stop it from burning all the way through. Just a tip to anyone who wants to try this: DO NOT attempt to stop it with water. Molten steel will splatter everywhere in the most violent manner you will ever see.

>> No.1757602

My wife says to rub some baking soda and vinegar on it

>> No.1757633

Depends on whether you want the molten iron to become the plug in your exhaust, or if you want the heat itself to melt the two sides together. Either way it's inferior to an oxyacetylene torch. AFAIK thermite welding is only done to unweldable alloys, or in other fringe circumstances. Look it up.

>> No.1759518

I watched the railroad workers weld 2 tracks together.

>> No.1759523


>tfw you will never have a 2-stroke belt sander

>> No.1759664

That's right, rails is one thing that it's used for. Pretty sure codyslab did a video on thermite welding.

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