ninhydrin(redirected from Ninhydrin protein assay)
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C9H4O3·H2O White crystals or powder with a melting point of 240-245°C; soluble in water and alcohol; used for the detection and assay of peptides, amines, amino acids, and amino sugars. Also known as triketohydrindene hydrate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.