Etchant | Conc. | Conditions | Comments |
---|---|---|---|
Adlers Etchant: Ferric chloride Copper ammonium chloride Hydrochloric acid Distilled water |
45 gm 9 gm 150 ml 75 ml |
Immerse for several seconds. | A very effective etchant for Hastelloy metals |
Hastelloy etched with Adlers etchant, Mag. 200X (DIC). |