Encyclopedia : 1 : 18 : 18D (6 articles)

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1,8-Diazafluoren-9-one
1,8-Diazafluoren-9-one, also known as DFO, is a chemical that is used to find fingerprints on porous surfaces. It makes fingerprints glow when they are lit by laser or blue-green light. External links For a full list of external links to MSDSs, spectroscopic data, commercial chemicals suppliers et..
18D/Perrine-Mrkos
18D/Perrine-Mrkos is a periodic comet in our solar system, originally discovered by the American-Argentine astronomer Charles Dillon Perrine (Lick Observatory, California, USA) on December 9, 1896. It was considered lost after the 1909 apparition, but was rediscovered by the Czech astronomer Anton..

 

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