Huber's reagent

Huber's reagent

[′hyü·bərz rē‚ā·jənt]
(analytical chemistry)
Aqueous solution of ammonium molybdate and potassium ferrocyanide used as a reagent to detect free mineral acid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.