Igewsky's solution

Igewsky's solution

[ē′gev·skēz sə‚lü·shən]
(metallurgy)
Etchant used to prepare carbon steels for microscopic analysis; consists of 5% picric acid in absolute alcohol.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.