1. The prints or footwear impression must be set prior to the application to prevent loss of detail. 

2. Select an application method. 

Tray immersion: Submerge item Acid Violet 17 solution for 1 minute.

Spray application: Spray Acid Violet 17 solution onto item until coated.

3. Rinse with water or Acid Violet 17 Rinse/Destain and allow the item to air dry.

4. Ridges will develop a purple color and can be captured using 1:1 photography. 

5. Lift the print with a white gelatin lifter. 

6. View the print using a forensic light source in the 490 – 575nm range with red goggles. 

7. Capture ridge detail using 1:1 photography and a red barrier filter.