The microelements in Porphyra, including Ca, Mg, Cu, Zn, Fe, Mn, Pb and Cd, were determined by atomic absorption spectrometry.The results showed that this method has high accuracy and recovery.

• 摘要用原子吸收光谱法对紫菜中铜、铁、锰、镁、钙、锌、铅、镉8种微量元素含量进行测定，方法的精密度、回收率符合分析要求。