... , ceramics, enamel, lake blue, green, HuSe colorants, system of titanium oxide catalyst, dye, production and other black RB promoting agents, reduction ... reactions as catalyst.4 Make artificial stones and other copper oxide.5 Used for glass, porcelain colorants, optical glass ... as the rockets 93 burning rate catalyst. Nano copper oxide powder is larger than the more advantageous copperoxide forms ...