OT - Oxaclic acid vs Rust
11-23-10, 07:42 PM
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OT - Oxaclic acid vs Rust
I have some rust stain on my marble bathroom counter. It was caused by a shaving cream can. Oxalic acid bath works great on bike parts - would a mild solution work on the marble? Would it be too harsh? I've read about lemon juice as a treatment.
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11-23-10, 08:05 PM
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If you go to a hardware store most rust stain removers are acid based, I don't see why Oxalic wouldn't work.
11-23-10, 08:13 PM
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oxalic acid is used to remove rust stains from rocks, notably quartz. It is also used to brighten up vintage beer cans,
11-23-10, 08:38 PM
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I believe acids dissolve the marble itself (marble = calcium carbonate). Test it in a polished but hidden spot (underneath?) before using it on the smooth counter top surface.
11-23-10, 08:51 PM
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Bar Keepers Friend (counter top cleaner) contains OA. I have an old (1920's) white enamel over cast iron kitchen sick that frequently gets rust rings from my inattention from rinsing out soup cans. It cleans the stains off immediately.
11-23-10, 09:00 PM
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I believe acids dissolve the marble itself (marble = calcium carbonate). Test it in a polished but hidden spot (underneath?) before using it on the smooth counter top surface.
11-23-10, 10:53 PM
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When I am removing all the rust from metal I use "White Vinegar". No matter how thick or pitted the rust is eventually the white vinegar eats the rust away so all that remains is bare metal. However, I have never tried it on rust stains but for the price it may be worth a shot - you may even have some in your kitchen cabinet.
