Description
Our Ninhydrin Pump Spray offers one of the most reliable methods for developing latent fingerprints on porous surfaces. Forensic laboratories and investigators use this specialised formulation to process evidence such as cheques, letters, and currency without damaging the document. By reacting with amino acids in fingerprint residue, the solution produces the distinct “Ruhemann’s Purple” ridge detail necessary for identification.
Versatile Application Methods
- The Dipping Method: You have the option to unscrew the lid and pour the solution directly into a processing tray. Dipping paper evidence ensures maximum saturation and superior development compared to surface sprays alone.
- Precision Spraying: The pump mechanism allows you to mist the evidence evenly. This is ideal for larger items or when you need to control the amount of moisture applied to delicate documents.
- Ink Protection: This specific formula will not run most inks. Consequently, it preserves the legibility of signatures, bank stamps, and handwritten notes while revealing hidden ridge detail.
- Rapid Results: While prints may take several days to develop fully at room temperature, they often begin to appear within just a few hours.
- Clear Visualisation: The intense purple reaction provides excellent contrast on most light-coloured papers, making it easy to capture high-resolution photographic evidence.
- Long-Term Reliability: This process has a proven track record of developing prints that are decades old on porous substrates
Safety and Storage Standards
This solution is hazardous and highly flammable. You must handle all Ninhydrin sprays inside a fume hood to prevent the inhalation of vapours. Furthermore, always store the bottle inside a dedicated flammable liquids cabinet to comply with laboratory safety protocols.
Our Ninhydrin Pump Spray is just one component of a professional evidence-processing kit. To find other reagents for non-porous surfaces or adhesive tapes, you can browse our full collection of chemical enhancement products here.
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