Acid Yellow 7, 25 grams
[B-89825]

Acid Yellow 7 is a fluorescent dye for staining of prints in blood, 25 grams in a brown glass bottle. It fluoresces under blue and blue-green light.

Below (from left to right):

• Shoeprint in blood on a hardwood floor, treated with Acid Yellow 7 staining solution.
• Fluorescence of the treated print
• Lifted with a white gellifter, fluorescence under blue-green light (second lift).

See the product information section for more info.