Ninhydrin Pump Spray, Methanol-Based, 8 oz Ninhydrin is one the best processes available to develop latent prints on paper evidence, such as bad checks, hold-up notes and threatening letters. To avoid the use of aerosol sprays which may not saturate the paper as well, here is an alternative. This formulation of Ninhydrin will not run most inks. With this bottle, you have the option of unscrewing the lid, pouring the solution into a tray and dipping paper evidence for maximum saturation and superior development of latent prints. This solution is hazardous and must be sprayed in a fume hood and stored inside a flammable liquids cabinet. This pre-mixed Ninhydrin solution comes in a convenient pump spray bottle. The methanol-based mixture requires an additional surcharge to ship by air. •Formulations will not run most inks •Comes in a convenient pump •Solution has a shelf life of six months

SPR Spray (500ml Pump Bottles) WHITE or BLACK Pre-mixed in non-aerosol bottles with pump sprayers, this SPR solution is ready for use out of the box. Available in black or white. Use Black SPR on light-colored surfaces and White SPR on dark-colored surfaces. •Has a fluorescent component that allows fingerprints to be detected using an ultraviolet or forensic light source. •Pre-mixed SPR Spray has a shelf-life of six months from purchase •Should be stored in a dark, cool place •Two colors of SPR are available, black or white