Ammonia may be a sign of renalfailure and elevated acetone levels can indicate diabetes .
过量的氨则可能是肾衰竭的征兆而丙酮含量的升高则显示患有糖尿病。
Some enthusiasts have even learned to purify their own cocaine , using acetone and coffee filters .
一些狂热者甚至已经学会将他们自己的可卡因用丙酮和咖啡过滤器提纯。
But should any of these activities ( acetone and hydrogen peroxide can be components for explosives ) be reported to and evaluated by law enforcement officials ?