Chemical preparations having conductive properties; chemical products for use in metal processing; chemical substances for use in metal finishing and metal treatment; chemicals for use in metal treatment; activators to increase rate of chemical reaction; chemical agents for the surface treatment of metals; chemical preparations for inhibiting corrosion; chemical preparations for use in welding; chemical products for use in industrial cleaning processes; chemicals for use in metal treatment; etching chemicals; preservatives for metals (chemical); electropolishing compositions