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The integral cover sheet protects the sample and permits the card to stand on its own while drying
Instructions
Due to the fact that most gypsum-based casting materials generate heat during the curing process
Amido Black is a dye that is highly sensitive to the protein compounds found in blood
DFO Fluorescence Powder L ruler The integral cover sheet protectsDFO is a ninhydrin analog used for developing latent prints on porous surfaces. Its fluorochrome properties make 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.
