Conclusion: Microwave-Digestion-GFAAS adding L-Ascorbic acid as matrix modifiers can eliminate matrix interference effectively and the RSD and recoveries are improved obviously.

• 结论：采用微波消化法前处理样品，结合选用有机基体改进剂使基体干扰严重现象减轻，方法精密度、回收率分析结果得到提高。