So the yolk was analyzed for gold. And, sure enough, it contained just about one-third of 1 percent of gold in a soluble form known as chloroaurate.

• 于是化验了蛋黄，看看含金量。果然，蛋黄里有大约三百分之一的黄金，呈现出一种叫做氯金酸盐的溶液状。