Urine
Stain: Yellowish or brown, darkening with age, absorbed
Contains: Urea, uric acid, ammonia, organic acids, pigments, cholesterol, albumins, proteoses
- Blot up as much as possible if still wet.
- Apply detergent solution and blot.
- Apply ammonia solution and blot.
- Apply vinegar solution and blot.
- Rinse thoroughly with water and blot until dry.
- If a stain remains, apply rust remover or oxalic acid solution.
- Bleaching with 3-5% hydrogen peroxide or sodium perborate might be necessary.
Urine stains may cause permanent dye removal from fibers.