Gold costs were about $317 per troy ounce in 2007, but these can vary widely depending on mining type and ore quality; global mine production amounted to 2,471.1 tonnes. After initial production, gold is often subsequently refined industrially by the Wohlwill process which is based on electrolysis or by the Miller process, that is chlorination in the melt. The Wohlwill process results in higher purity, but is more complex and is only applied in small-scale installations. Other methods of assaying and purifying smaller amounts of gold include parting and inquartation as well as cupellation, or refining methods based on the dissolution
Refine S5 yuan to 139,500 yuan. Refine S5 The Refine S5 is a Compact CUV that was produced by JAC Motors under the Refine sub-brand and positioned above the slightly smaller Refine S3. Previewed by the JAC Eagle SII concept on the 2012 Beijing Auto Show and originally launched on the 2012 Guangzhou Auto Show as the JAC Eagle S5, the compact crossover was quickly rebranded to Refine S5 during the facelift shortly after to fit into the later established Refine sub-brand. Pricing of the JAC Eagle S5 ranges from 89,800 yuan to 135,800 yuan, while the pricing of the facelifted Refine