Objective: To establish flame atomic absorption spectroscopy for determining Cu, Cd and Pb in RCG which had been immersed in NaHSO3.

• 摘要目的：用火焰原子吸收光谱法检测经亚硫酸氢钠处理过的魟鱼软骨多糖中铜、锡、铅的含量。