| 摘要 |
precious metal technology. SUBSTANCE: gold alloy for jewelry use contains, wt %: silver 8.0-9.0, nickel 8.0-9.0, zinc 1.2-1.8, copper 22.41-23.41, iridium 0.04-0.15, and gold - the balance. Such alloy is characterized by stable white color, sufficient plasticity, corrosion resistance, low melting point, and optimal economical parameters allowing wide application in jewelry area. EFFECT: improved consumer's quality. 2 tbl |
