ferric ammonium sulfate
ferric ammonium sulfate[′fer·ik ə′mōn·ē·əm ′səl‚fāt]
FeNH4(SO4)2·12H2O Efflorescent, water-soluble crystals; used in medicine, in analytical chemistry, and as a mordant in textile dyeing. Also known as ferric ammonium alum; iron ammonium sulfate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.