Iodine Fuming

• Works Immediately
• Reacts with Lipids/Fats through physical attraction
• Reaction: Physical Attraction
• Do not inhale fumes - Fume Hood or ventilated area. Harmful to mucous membranes
• Porous and Non-porous surfaces

3 Types of Application:

1. Gun
2. Plastic Container
3. Shake & Bake Method - Shaking crystals on top of paper

CONS -

• Toxic
• Corrosive
• Allergic Reactions

PROS -

• Easy to use
• Cheap
• Easy to build gun
• Easy to transport
• Reusable (Iodine crystals, drie-rite)
• Can be used repeatedly on paper
• Any surface that isn't wet
• use on dead people
• can be made permanent using Spray Starch or Huffing
• can be for any size
• non-destructive - does not inhibit other techniques

Sequencing Order of Techniques:

1. Alternate Light Source (ALS)
2. Iodine Fuming
3. DFO
4. Ninhydrin
5. Physical Developer - last resort

Procedure:

1. Prepare photo settings since developed print fades quickly
2. Pass fumes over surface of print
3. Photograph developed print immediately