1 CHEMICAL COMPOSITION FOR INDUSTRIAL COATING AND/OR PLATING PURPOSES; PHOSPHATING SOLUTIONS; CHROMATING SOLUTIONS; COPPER COATING SOLUTIONS; CHEMICAL PREPARATIONS FOR USE IN PREPARING AND CONDITIONING METAL PARTS FOR COATING AND/OR PLATING; CHEMICAL PRODUCTS FOR USE IN NONDESTRUCTIVE TESTING-NAMELY, MAGNETIC PARTICLES AND POWDERS AND WETTING AGENTS; AND ADHESIVE SUBSTANCES FOR INDUSTRIAL PURPOSES