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Anonymous users2024-01-24There are calcifications in urine and stool, especially urine, containing ammonia and urea, and the precipitation time will become the dirt you said, the most effective thing to clean up the dirt in the toilet is oxalic acid, and there are places that sell detergent or sanitary ware, which are very cheap, and some places are called toilet washers.
There are two main types of yellow dirt, one is metal (mainly iron) rust, and the other is urine alkali; There are two main reasons for this, one is that it is not flushed and cleaned in time after use, and the other is that the glaze layer of porcelain tiles is not acid-resistant. Solution: First, flush and clean in time after use to keep it dry; The second is to use less acidic detergents and less hard tools to scrub, because the acidic substances not only cannot be restored after corroding the glaze, but the surface is also prone to pits, and it is easier to form dirt; Hard tools are also prone to scratching surfaces. >>>More
Methane, fermentation of inorganic and organic compounds in the body!
Yellow dirt is caused by detergent residues, such as toothpaste, soap, facial soap, saliva after brushing, etc., dirt on hands before washing hands, residues after washing, and the above residues are not cleaned and cleaned, and they will become yellow over time, which are the sources of yellow dirt. >>>More
The substance used in the kitchen to remove dirt from the kettle: vinegar [acetic acid solution], the chemical formula is: CH3COOH
Formaldehyde is a colorless, irritating gas with a strong odor, and its 35% 40% aqueous solution is commonly known as formalin. Formaldehyde is a puree poison, which can be combined with proteins, and after inhaling high concentrations of formaldehyde, there will be severe irritation and edema of the respiratory tract, eye stinging, headache, and bronchial asthma can also occur. Direct skin contact with formaldehyde can cause dermatitis, pigmentation, and necrosis. >>>More