Specialty Products & Chemicals

When this “liquid fingerprint powder” is sprayed onto the surface of the evidence, the micro-fine particles attach themselves to the latent print residues and the solution runs off. Lifts can be made directly without further processing. The Wet...

SPR Black is an aerosol-based fingerprinting product for the development of latent prints on wet, light, smooth non-porous surfaces. Earlier methods based on dispersed particles in aqueous solutions required the field mixing of powders, water and...

The versatile Preval® portable, disposable sprayer comes complete and ready to use. Simply supply the liquid of your choice, e.g., Ninhydrin, DFO, MoS2, etc., pour the solution into the 6 oz. bottles included with the unit, attach the sprayer and...

Acid Yellow 7 is used to prepare a dye solution in a water/acetic acid/ethanol mixture that is used for staining fingerprints and shoeprints made in blood. Prints in blood are colored yellow after treatment with Acid Yellow 7. They then fluoresce...

Aqueous Leucocrystal Violet can be used to enhance and develop latent prints stained with blood on porous and nonporous surfaces. It can also be used to stain blood marks of shoeprints, swipes and other contact to track where a suspect or victim...

Aqueous Amido Black is a pre-mixed Amido Black solution. It can be used to enhance or develop blood-contaminated latent prints. Bloody latent prints, even those not visible to the naked eye, may be developed on porous or nonporous surfaces, such as...