Three kinds of trace elements Cu,Fe,Zn in shiitake mushroom,even mushroom,lovesickness fungus,hedgehog hydnum mushroom have been detected and analyzed by flame atom absorption spectrometry separately.

• 为了解不同产地黑木耳中金属元素含量是否与产地有关,采用火焰原子吸收分光光度法测定了绵阳、通江、青川、北川等地黑木耳中铜、铁、锌3种微量元素的含量。