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.