Latent Print Standards Pad

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The Latent Print Standards Pad is an excellent resource to verify that chemicals being used for development of latent prints are working properly so that you can be confident that you have the best chance of developing reliable prints. This pad is designed to be used for all chemical tests that involves sebaceous oils, amino acids, or salts including: iodine DFO ninhydrin silver nitrate physical developer Apply residue from the pad to a sample and run through the process you are using. This will provide a control that can be used as a reference standard and allow you to determine whether your chemicals are working well. Show more