Quote from: Steinar on July 07, 2014, 07:37:18 PMI have been told coke primarily works from the sugar functioning as a chelating agent, it is not enough phosphorous acid for that to be the most important reactant. For the same reason I have seen molasses recommended for removing rust. It would have been interesting to compare the results from an appropriate vinegar solution, coke and molasses.Coca-cola manufactured in the United Sates contains high fructose corn syrup not sugar.Coke contains phosphoric acid.Phosphoric acid is produced from phosphates by reacting with sulphuric acid.Phosphorus is an element that occurs in nature.Phosphoric acid is a predominate ingredient in some rust removal products.Molasses possesses rust removal properties if it is a low grade that contains sulphur which is usually found in feed and grain stores.Sulphur creates a weak organic acid which does not attack the base metal.This is why distilled vinegar works,it's a mild acid that removes rust but doesn't attack the base metal,if not left too long in the vinegar.I'm not picking on you Steiner but there was some erroneous conclusions in your post.
I have been told coke primarily works from the sugar functioning as a chelating agent, it is not enough phosphorous acid for that to be the most important reactant. For the same reason I have seen molasses recommended for removing rust. It would have been interesting to compare the results from an appropriate vinegar solution, coke and molasses.
Checked the BO part again, no change at all. I'll leave it a few more days to see if anything will happen.
Wonder if he were to piss in it... Pee is pretty acidic.
After reading through this I tried it with a leatherman micra from 03 that the scissors and some of the tools rusted either shut or unuseable. After 24hrs they worked but were sticky. I gave it a soapy bath dried in the sun and then oiled the joints and scrubbed with a toothbrush. Works good as new now! Thanks for the idea.
Scary how we drink this stuff . I hope you have great results. It can be a pain to get all the "hidden rust" off. Those spots maybe pits as a result of the rust eating the steel. Can't wait to see the results.
Thanks I may change it tomorrow.. I already changed it once because I almost stepped on it and half the coke was all over the floor
:D:D I actually wonder if those biggish blackish spots will disappear or clean. They seam to be quite rough, it's not just smooth spots on the metal.
Btw I forgot all about the BO part in the coke. I took it out and there is absolutely no change. So it seems safe to derust a BO tool.
Okay, its been 7hrs since I put it in the coke, I took it out, scrubbed it with a toothbrush, soap & warm water, it seemed shinier and maybe the rust around the logo is partly gone... but it's darkish and was difficult to see. I changed the coke and will leave it there till tomorrow morning, that is about 11 more hours or so. at least the dirt will have gotten out completely
Omg, don't worry, lol I'm indeed having fun and I wanted to try this coke experiment, anyway, just never had what to try it on My tools are mostly brand newish and I don't use them much So I'm more than happy to play with the PST Btw, the poor guy's outside still in the coke... it's been a little over 10hrs after my coke change, I woke up not long ago. And it's been ..undercoke for a total of around 17 hours I'll have my coffee and save it from drowning
It does look a bit better around some drivers I think. True that the pitting won't disappear, but now at least it's clean This makes me wonder if actually ANY kind of soda won't work or just keeping it in some plain water with soap or something won't do the same job. Maybe a lot on it was just some pocket lint and dirt and that's what the coke /being liquid/ removes. Will post some pictures later...
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