My pencil box is full of handwriting, so it won't wash out with water. What should I do? ! How dirty! Those handwriting are gel pens.

To remove ink stains, you can try to clean them with water or rub them with detergent. If there is residue, five or six pieces of acetic acid can be dissolved in one tablespoon of hot water to smear, which can make the stain fade. The texture of silk should not be soaked for too long, because it is easily damaged. After applying acetic acid, it should be washed immediately in about one minute.

Nylon clothing should be brewed with neutral detergent in hot water at about 80 degrees Celsius, then a few drops of ammonia water should be added and gently rubbed.

As for cotton and linen white clothes, you can wash them with about one liter of hot water and one teaspoon of soda and bleaching powder. For thick ink stains, rice grains, paste and detergent can be mixed and smeared on the ink stains, and rubbed repeatedly with fingertips until the ink stains disappear. Or put a digestive tablet on the ink stain, and the colloid in the ink stain will be dissolved by the enzyme in the tablet, which will be cleaner.

Soak in detergent solution containing enzyme for 30 minutes, and then rub it without leaving any trace. When clothes are stained with red ink, you can wash the stained part with hot water first.

Two or three times, if there are traces, wrap the radish powder with gauze, then wipe the stains, and finally rinse it with soapy water. You can also wash the upper layer of cooked rice bran with water or alcohol, and finally bleach it.

If the clothes are stained with blue ink, you can wash them with soap first. If there are traces, soak five or six pieces of acetic acid in hot water of 10 CC, apply it to the polluted place, and then rinse with water for bleaching. If it is made of silk, it should be washed with water immediately after a little coating, so as not to hurt the texture of the clothes. Or nylon fabric, you can add washing powder to hot water at 80 degrees Celsius, add a few drops of ammonia, and gently rub it. As for cotton and linen clothes, just wash them with a teaspoon of soda and bleach in heated water.

There are other ways to treat red and blue ink stains, that is, soak them in almond juice or alcohol, and then rinse them with soap and water. You can also add water to vinegar, wipe the contaminated part with cotton, and then clean it with soap. If the clothes touch the ink of the pen, they can be wiped with carbon tetrachloride, pine nuts or degreasing oil; Or add ammonia-containing washing powder to warm water, wet it into a water solution ten times and twenty times, then soak the clothes in it and rub it.

When clothes are stained with atomic ink, you can pat the ink stains with gauze and alcohol, and then wipe them with 10% ethylene glycol butyl ether solution. If there is no ethylene glycol butyl ether, it can be washed with 20 times of detergent warm water solution. If it is silk cloth, you can clean the contaminated part with glyceride and then rinse it with water. If it is not clean enough, you can wash it with bleach several times.