Physical Developer Chemical Kit

描述

Physical Developer is a silver-ion based reagent that reacts with the lipids, oils, and waxes in latent print residues. Physical Developer is a very useful and successful method of latent development and is used last in the sequence of chemical development techniques.This Kit contains:Ammonium Ferrous Sulfate 80gmMaleic Acid 25gmDetergent Solution 40mlSilver Nitrate Solution 50 mlCitric Acid 20gmFerric Nitrate 30gmDirections