Common name: Basic Red 2

1. Select an application method.

Tray immersion: Submerge item in Safranin O solution.

Spray application: Evenly spray Safranin O solution with a squirt bottle or sprayer onto item. 

2. Allow item to air dry.

3. Ridges will develop a red color (yellow fluorescence). Item may be rinsed with methanol to remove any excess Safranin O solution. 

4. View ridge detail using a laser or forensic light source at 500nm using orange goggles. 

5. Capture ridge detail using 1:1 photography and an orange colored or 550 (BP 35) barrier filter.