| 摘要 |
A latent fingerprint detection method including dipping latent fingerprints in a solution, the solution including a ruthenium tetroxide and a solvent including a halogen-containing hydrocarbon and/or a halogen-containing ester compound, the solution being prepared by dissolving the ruthenium tetroxide in the solvent; or exposing latent fingerprints to a vapor generated from a solution, the solution including a ruthenium tetroxide and a solvent including a halogen-containing hydrocarbon and/or a halogen-containing ether compound, the solution being prepared by dissolving the ruthenium tetroxide in the solvent. |
