The amounts of Cu, Zn, Fe and Mn in Day-lily flower, Osmunda cinnamomea and Walnut kernel were determined by Microwave digestion-Flame Atomic Absorption Spectrometry.

• 摘要采用微波消解样品，用火焰原子吸收光谱法测定了黄花菜、薇菜和核桃仁中的铜、锌、铁、锰的含量。