Sirchie 50g DFO Fluorescence Powder for Latent Print Development

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Sirchie 50g DFO Fluorescence Powder for Latent Print Development

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About Sirchie

The Sirchie 50g DFO Fluorescence Powder is a ninhydrin analog used for developing latent prints on porous surfaces. Its fluorochrome properties makes it especially useful on multicolored surfaces where the background would interfere with subsequent photography. DFO reacts with the amino acid content of fingerprint residue and it will not interfere with subsequent analysis using ninhydrin, silver nitrate or physical developer. In fact, some labs report that DFO use improves the results gained with ninhydrin.

Other testing indicates that DFO is also effective for developing latent blood prints. On occasion, DFO will produce lightly colored (pink) latent prints but its real strength is in its fluorescent properties. DFO fluorescence may be produced using ultraviolet light, BLUEMAXX and other alternative light sources. DFO is now packaged in a pump spray which contains 100ml of pre-mixed reagent for better control and less waste. DFO in crystal form is available for those labs preparing their own formulations.

Sirchie Specifications

50 g / 1.76 oz
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