Etching solution for identification of grinding burning and method for identification of grinding burning using the same

摘要

The present invention relates to an etching solution for identifying grinding burning that does not contain methanol and a method of identifying grinding burning using the same. The etching solution for identifying grinding burns according to an embodiment of the present invention is an etching solution that corrodes to identify grinding burns generated in a grinding material, and is characterized by dissolving 0.5 to 2.0 g of sodium hydroxide per 100 ml of a mixture of nitric acid and ethanol. do.