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Anonymous users2024-01-24The main component of rust is Fe2O3, which is a metal oxide, so it should be reacted with acidic substances! Because white vinegar is acidic, a small amount should be used when removing rust to avoid tile corrosion (ceramic tile composition contains CaCO3, which is easy to be corroded by acidic substances), and should also be wiped quickly with a towel, which can speed up the reaction rate (the main ingredient of white vinegar is acetic acid, which is weakly acidic, and rapid wiping can increase the local temperature)!
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Anonymous users2024-01-23C, the main component of rust is Fe2O3, which can react with rust with acidic solution to form soluble substances, thereby removing rust.
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Anonymous users2024-01-22C rust is ferric oxide, which is an alkaline oxide and soluble in acids.
Whereas, the main ingredient of white vinegar is acetic acid.
A. Rust removal method: Rust can be washed and removed with 2 oxalic acid solution, and then wiped with water. After grinding 3-4 vitamin C tablets into powder, sprinkle them on the surface of the floor tiles, and then scrub them with water several times to remove rust stains. >>>More
Workaround:
1. [Red ink stains]. >>>More
The ground and waist line are black at one time, and the rest is white, so that it looks solemn, atmospheric, hygienic, clean and neat.
Heat it up before tearing.
Wipe it off with hydrochloric acid It's very simple.