Neutralizing Agent for Pickling Acids

Physical-Chemical Mechanism of Action

Neutralizing agents are alkalis that neutralize acids through a chemical reaction. This process forms salts and water. The pH decreases when acids are neutralized.

Metallurgical Relevance & Risks in Welding

Chemical cleaning processes often leave pickling acids that can damage the workpiece or weld pool. Using neutralizing agents prevents this corrosion and protects the environment.

Workshop Practice & Action Instructions

Use alkalis like soda or ammonia solution to neutralize acids. Mix the solution at a ratio of 1:10 with the liquid to be neutralized and mix well. Check the pH until it is neutral (pH 7).