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Dische's diphenylamine reagent consists of diphenylamine, glacial acetic acid, sulfuric acid, and ethanol. [1] When heated with DNA, it turns blue in the presence of DNA. A more intense blue color indicates a greater concentration of DNA.
Diphenylamine is an organic compound with the formula (C 6 H 5) 2 NH. The compound is a derivative of aniline , consisting of an amine bound to two phenyl groups. The compound is a colorless solid, but commercial samples are often yellow due to oxidized impurities. [ 5 ]
Zacharias Dische (18 February 1895 – 17 January 1988) was an American biochemist. He worked as a biochemical researcher in Vienna before being forced by the Anschluss to become a refugee, [ 1 ] first in France and then in the US, where he joined the faculty of Columbia University in 1943. [ 2 ]
The aptly named paraffin test is also referred to as the diphenylamine test, dermal nitrate test and the Gonzalez test. This test consisted of coating a suspect's hands with paraffin wax, allowing it to solidify and peeling it away before adding a diphenylamine/sulfuric acid reagent.
Dye penetrant inspection (DP), also called liquid penetrate inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to check surface-breaking defects in all non-porous materials (metals, plastics, or ceramics).
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2 dische diphenylamine. 1 comment. 3 Basic nitrogen? 4 Alternatives to D. 2 comments. Toggle the table of contents. Talk: Diphenylamine. Add languages.
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