![]() Traditional hard ground solutions often contain Naptha and Asphaltum. Traditional Etching Grounds and their Health Hazardsīreathing high vapor concentrations of this product may result in mild depression, convulsions, loss of consciousness, or lung damage. ![]() However, we believe that by presenting a simplified explanation, it may remove some of the mystery of the technique and assist in encouraging its wider use. It is not crucial to understand these principles in order to produce successful etchings. This article presents some of the underlying ideas and terminology connected with electro-etching. "The basis of electro-etching: a simplified explanation" by Alfonso Crujera & Bob Perkin, 2015. Mop up any ferric chloride (or copper sulfate) spills with sodium carbonate and water.
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