Kourbatoff's reagents

Kourbatoff's reagents

[′ku̇r·bə‚tȯfs rē‚ā·jəns]
(metallurgy)
Etching agents used for microanalysis of carbon steels; there are four different formulations, three with nitric acid, one with hydrochloric acid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.