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Noren's etchant - Steel weld - Chemical etching

Material Name: Steel weld
Recipe No.: 10511
Primary Chemical Element in Material: Fe
Sample Type: Bulk
Uses: General microstructure
Etchant Name: Noren's etchant
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 15 ml HCl, 20 ml distilled water, 1 g CuCl2, 5 g picric acid, 135 ml ethanol.
Procedure (Condition): No data
Note: Special etchant. Noren's etchant for detecting cracks in weld-heat-affected zones.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 635.