Why does your skin turn green when you wear certain jewelry? Copper is often the culprit when discussing jewelry turning skin ...

It is providing new inroads into advances in green and sustainable chemistry. Apart from carbon monoxide oxidation and acetylene hydrochlorination — the initial two reactions for which gold was ...

This reaction proceeds very slowly at room temperature. The addition of cobalt chloride as a catalyst produces a green cobalt-tartrate intermediate and copious evolution of oxygen and carbon dioxide.