Using RC differential electric circuit, this research deals with the signal produced by Microsample injection Flame AAS. The selectivity and the sensitivity of the method were improved.

• 本研究应用RC微分电路对微量注射进样火焰原子吸收分光光度法所产生的吸收信号进行了处理，提高了信号的选择性和方法的灵敏度。