1 Oz. – Since the inception of the gold Krugerrand program in 1967, the 1 troy oz gold Krugerrand has been a mainstay. Until 1980, the one-ounce issue was the only kind of gold Krugerrand available, and it is made from a 91.67% gold composition, or 22 karat gold. The balance of ...
Evaluation of 18 Karat gold as a possible substitute for pure (24 Karat) gold were done under laboratory conditions, using direct current (DC) and pulse electroplating (PC) regimes. Among the number of available industrial 18K solutions, the two most promising were experimentally evaluated, which...