Part 3/5: FS RATIO | Methods in developing prints

Methods in Developing Prints Solid methods: 1.Black powder- light colored surfaces 2.White/Gray- dark colored surfaces 3.Lycopodium powder- leather, rubber 4.Fluorescent powder- multi colored surface Liquid Methods: 1.Ninhydrin solution- paper or porous materials 2.Victoria Blue- tapes 3.Amino black solution- blood stained fingerprints Gas Methods: 1.Iodine fuming- porous surfaces 2.Superglue fuming- non porous (cynoacrylate) 3.Iodine silver plate- if from human skin