| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gold coloring pigment which does not contain a harmful substance such as chromium, lead and cadmium and can develop clear gold color after high temperature treatment required when used as overglaze colors for pottery, colored glass, coating material, etc. <P>SOLUTION: The gold coloring pigment comprises at least one kind of metal selected from a group consisting of iron, cobalt, nickel, cerium, praseodymium and terbium and/or a metal compound including at least the one kind of metal on a surface of silver powders. <P>COPYRIGHT: (C)2009,JPO&INPIT |
