A method for the determination of arsenic in fumaric acid by HG AFS was developed. The sample was decomposed in sodium hydroxide solution and fumaric acid was transferred into water soluble sodium fumarate.

• 用氢氧化钠溶液分解富马酸使其转化为水溶性富马酸钠 ,然后用氢化物发生 -原子荧光光谱法测定了试样中的砷。