Miller process Miller process The Miller process is an industrial-scale chemical procedure used to refine gold to a high degree of purity (99.95%). It was invented by Francis Bowyer Miller ( patented 1867). This chemical process involves blowing a stream of pure chlorine gas over and through a crucible filled with molten, but impure, gold. This process purifies the gold because nearly all other elements will form chlorides before gold does, and they can then be removed as salts that are insoluble in the molten metal. When all impurities have been removed from the gold (observable by a change in flame color)
Refine S3 Refine S3 The Refine S3 is a Compact CUV produced by JAC Motors under the Refine sub-brand. Originally launched on the 2013 Shanghai Auto Show as the Heyue S30 under the Heyue sub-brand, the compact crossover was quickly rebranded to Refine S3 shortly after during the 2014 Beijing Auto Show. Pricing of the Refine S3 was revealed later during the 2014 Chengdu Auto Show with prices ranging from 65,800 yuan to 84,800 yuan. The facelifted Refine S3 crossover was launched on the 2016 Chengdu Auto Show in China. The 2016 facelift includes redesigned grilles, triangle shaped fog lights, new headlights,