2. The residual yellow spots can be washed off with bleach.
Also pay attention to fabric properties.
Wool fabrics should be rubbed and washed with dilute ammonia water;
3. Silk can be gently rubbed with citric acid or soap and alcohol solution; Other fabrics can be washed with tartaric acid or hydrogen peroxide.
4. Rinse the trace with warm glycerin first, then rinse with a little 10% acetic acid, and finally rinse with clear water.
5. New stains can be wiped with strong brine, or they can be immediately sprinkled with salt, gently rubbed by hand, soaked in water and washed with detergent solution, or washed with warm water and soap.
6. After removing heavy marks and old marks, the organic acids in the juice can be neutralized with 5% ammonia water first, and then washed with detergent.
Tartaric acid can be used to clean chemical fiber mixture containing wool.
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7. If the fabric is white, add a few drops of ammonia water to 3% hydrogen peroxide, wet the polluted place with a cotton ball or cloth, then wipe it with a clean cloth and dry it in the shade.