OREANDA-NEWS. The Central Bank of the Russian Federation has established the following precious metal prices on May 22, 2007: gold – at the rate of 549.38 roubles per gram; silver – 10.54 roubles per gram; platinum – at the rate of 999.90 roubles per gram, palladium – 287.89 roubles per gram, goes the report of the Central Bank of the Russian Federation.