Rapid Determination of Arsenic and Mercury in Coal Fly Ash by Atomic Fluorescence Spectrometry

The sample was dissolved in aqua vegia; AFS method was used to determine arsenic and mercury in coal fly ash.The ralative stand deviations of them are 1.9%～4.8%，0.6%～2.4%. The recovery of them is 98.5%～102.0%，85.0%～105.0% respectively. The method is simple、quick and high sensitivity.The method has been applied to comprehensive utilization of coal fly ash in monitor agriculture ecology environment.