http://www.w3.org/ns/prov#value | - For example, a suspension of a copper containing material, such as cupric acetylacetonate, can be sprayed onto a heated glass substrate, the substrate cooled and reheated and then sprayed with a manganese containing material, such as manganous or manganic acetylacetonate, to produce the desired, for example blue, color of the Cu???Mn chromophore described above utilizing, for example, the coating
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