| http://www.w3.org/ns/prov#value | - Examples of transition metal salts that can be selected to coalesce the sodio sulfonated polyester colloid to form the polyester resin shell, are preferably the halides such as chloride, bromide, iodide, or anions such as acetates, acetoacetates, sulfates of vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, iron, ruthenium, cobalt, nickel, copper, zinc, cadmium, silver; alumi
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