Industrial chemicals; chemicals for use in metal plating; chemicals for use in metal plating on metals and non-metals; metal plating chemical compositions, namely, electrolytic acid copper solutions; chemical additive for use in the manufacture of metal plating solution; chemical additives for use in metal plating; chemical additives for use in metal plating on metals and non-metals; metal surface treatment chemical agents; chemical agents for metal surface cleaning; etching agents in the nat...