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
Ways to Live Forever Ways to Live Forever Ways to Live Forever is a children's novel by Sally Nicholls, first published in 2008. The author's debut novel, it was written when Nicholls was 23 years old. It won the 2008 Waterstone's Children's Book Prize, 2008 Glen Dimplex (Irish) New Writers Award, 2008 German and 2009 Bristol-based Concorde Children's Book Award. It was shortlisted for the 2009 Manchester Book Award. Sam Oliver McQueen is an 11-year-old boy with cancer. When his best friend Felix dies, he doesn't know what to do because he always looked up to him and his bad boy style. Sam is