Industrial Gases and Precious Metals

Industrial Gases and Precious Metals

Industrial Gases and Precious Metals by Sam A. Rushing, Advanced Cryogenics, Ltd., and Tom Wheatley, gasworld | November 23, 2010 (gasworld).  The global output of new gold in 2009 was 2,572 tonnes, which is about 75% greater than the total for 1970. The top five...